Microsoft has started replacing OpenAI and Anthropic models with its own AI systems in products including Excel and Outlook, marking a new step in the company’s push to reduce the cost of running AI across its software business, according to a Bloomberg report.
Tens of thousands of prompts in the spreadsheet and email apps are now being completed each week by Microsoft’s internally built MAI models, according to a person familiar with the work. The apps previously relied more heavily on models from OpenAI and Anthropic.
The shift remains small compared with Microsoft’s overall AI usage, but it shows the company is moving more of its AI workload onto systems it controls. That matters as Copilot expands across Microsoft 365 and drives higher demand for compute and model access.
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Microsoft currently benefits from its long running OpenAI partnership, which gives it access to advanced models at favorable economics. But the company is preparing for a future where outside AI labs can charge more for their models, especially as enterprise demand grows.
Microsoft AI chief Mustafa Suleyman said in June that the company wanted to reduce spending on Anthropic by using more MAI models. “We pay a lot of money to Anthropic, so our goal is to reduce and ultimately eliminate that cost,” he said at the time.
The company announced seven new AI models at its Build developer conference in June, including one it says can match the coding abilities of Anthropic’s Opus 4.6 at lower cost. Microsoft’s MAI models are also available in GitHub Copilot, while a Microsoft built transcription model is expected to be used in Teams and other products in the coming months.
The move does not mean Microsoft is cutting off OpenAI or Anthropic. Instead, it points to a more mixed model strategy, where Microsoft uses outside systems for high end tasks while shifting cheaper or more routine workloads to its own models.
For Microsoft, the goal is simple: keep Copilot growing without letting model costs dictate the economics of the business.
Disclosure: This article was edited by Estefano Gomez. For more information on how we create and review content, see our Editorial Policy.
Microsoft has quietly started swapping out the AI brains behind Excel and Outlook. As of July 7, 2026, the company began routing a meaningful share of Copilot prompts in those two apps to its own internally built MAI models, stepping back from its reliance on OpenAI and Anthropic for the kind of everyday, high-volume tasks that add up fast on an inference bill.
What is actually changing The MAI models, short for Microsoft AI, are now handling tens of thousands of prompts weekly inside Excel and Outlook. These are the bread-and-butter requests: summarizing an email thread, drafting a reply, formatting a spreadsheet, that sort of thing.
Microsoft has been clear that this is not a full divorce from its external partners. OpenAI’s frontier models will continue to power more complex, demanding tasks where raw capability still matters. Anthropic’s models also remain embedded in specific Office applications for select use cases.
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The MAI models themselves were introduced at Microsoft’s Build conference in June 2026, where the company unveiled MAI-Thinking-1 and MAI-Code-1-Flash as part of a broader push to establish its own presence in the AI model landscape. The Build showcase framed these models as competitive in quality while being cheaper to operate.
Why this matters beyond the product update Microsoft’s relationship with OpenAI is one of the most closely watched partnerships in tech. Microsoft has poured billions into OpenAI over several years, and that investment gave it early access to GPT models that became the backbone of Copilot.
Running AI at the scale Microsoft does, across hundreds of millions of Microsoft 365 users, means inference costs are not a rounding error. Every prompt routed to an external provider is a fee. Building in-house models that are good enough for routine tasks is one of the more straightforward ways to solve it.
What investors should watch Routing routine prompts to cheaper in-house models means higher margins on each Copilot seat sold, which is a straightforward positive for the unit economics of the business.
The more interesting question is what this means for OpenAI’s revenue picture. Microsoft is OpenAI’s largest customer and primary cloud partner. If Microsoft progressively shifts more prompt volume to MAI models, OpenAI’s inference revenue from that relationship narrows. OpenAI has been expanding its own direct enterprise relationships and consumer products to diversify away from that dependency.
Anthropic faces a similar dynamic. Its models remain in specific Office applications for now, but the logic that pushed Microsoft toward in-house alternatives for Excel and Outlook can easily extend to other products.
Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.
Microsoft has a new image generation model, and it debuted near the top of the leaderboard. MAI-Image-2.5, announced June 2 by Microsoft AI’s Superintelligence team, ranks second in image editing and third in text-to-image generation on the Artificial Analysis Image Arena, a benchmark built on blind human preference votes.
What the numbers actually say In text-to-image, MAI-Image-2.5 scores between 1253 and 1276 on the Elo scale, placing it third overall. In image editing, it posts an Elo score of 1251, good enough for second place.
The gains over its predecessor, MAI-Image-2, are measurable and specific. MAI-Image-2.5 records a 107-point improvement in text rendering and a 90-point jump in cartoon, anime, and fantasy imagery on benchmark tests.
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Microsoft released the model in two configurations. The standard MAI-Image-2.5 is the high-fidelity option, priced at $47 per million image output tokens. The MAI-Image-2.5-Flash variant trades some ceiling for speed, coming in at $19.50 per million tokens.
Where it sits in the competitive landscape MAI-Image-2.5 outranks several Google Gemini image offerings and clears every prior Microsoft model on the Artificial Analysis leaderboard. OpenAI’s GPT Image 2 variants still sit above MAI-Image-2.5 on both rankings.
Access for developers is live through Microsoft Foundry and through third-party platforms including OpenRouter.
What this means for the market MAI-Image-2.5 powers image generation directly in PowerPoint and enables precise editing inside OneDrive, with safety guardrails built into both integrations.
The pricing structure positions MAI-Image-2.5 for developer and enterprise workloads at scale. At $47 per million tokens for the full model and $19.50 for Flash, the model targets the enterprise buyer who runs volume and needs predictable costs.
Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.
PANews reported on January 29th that Chris Grisanti, Chief Market Strategist at MAI Capital Management in New York, stated that today's Federal Reserve statement and press conference were noticeably hawkish. The description of economic activity was upgraded from 'moderate' to 'solid,' while wording regarding downside risks to employment was removed. At the press conference, Powell stated that after a period of weakness last year, the employment situation has 'stabilized.' Inflation, while stabilizing, remains 'slightly high.' Overall, the Fed's focus has shifted from unemployment to inflation. I don't believe there will be a rate cut in the short term. Furthermore, given the strong market performance and continued economic strength, I don't think there will be a rate cut in 2026, a stance that is more hawkish than current market expectations.
In brief Microsoft’s MAI-Image-2 is a new state-of-the-art AI image generation model The model puts Microsoft in as the third-best AI lab on the Image Arena leaderboard thanks to its strong realism and text rendering. Strict filters, usage caps, and missing features currently limit real-world usefulness, however. Microsoft has been quietly building its own image generator. Announced Thursday by the company's AI Superintelligence team, MAI-Image-2 has already landed at #3 on the Arena.ai leaderboard—behind only the models from Google and OpenAI—making Microsoft a legitimate player in a space it had previously outsourced to its partners.
That last part is worth sitting with. Microsoft has been paying OpenAI billions to power Copilot and Bing Image Creator. Building a competing image model in-house is an interesting business move.
MAI-Image-2 is available now in the MAI Playground, with a gradual rollout to Copilot and Bing Image Creator underway. API access is currently limited to select enterprise customers, with broader availability on Microsoft Foundry coming soon.
The team says it built the model by talking directly to photographers, designers, and visual storytellers. Three things came out of those conversations: improved photorealism, more reliable in-image text generation, and stronger capacity for detailed, imaginative scene construction. Whether or not that process translated into a genuinely useful tool is a different question.
Testing MAI-Image-2The first thing you notice when you open the MAI Playground is how understated it is. The interface is minimal and clean, visually somewhere between Claude and Hume, with none of the maximalist dashboard energy you get from Midjourney or the chatbot experience you get from Gemini.
The images themselves are genuinely pretty strong. Photorealism is a real strength here—the model has a solid grasp of natural light, surface texture, and spatial relationships. It doesn't quite hit the level of Google’s Nano Banana Pro, which still rules the leaderboard for a reason, but in some realism tests it comes surprisingly close.
Better prompting likely pushes it further; our initial results improved noticeably as we dialed in our descriptions.
Even complex, unrealistic scenes with parameters that defied logic were properly handled by the model, beating other models in details like the body proportions, limb position, depth, and spatial positioning.
For example, this image of a dog riding a bike in the middle of the ocean is arguably the most accurate one we’ve produced in zero-shot tests.
Text generation is a legitimate highlight. MAI-Image-2 handled complex typography with far more consistency than we expected—large blocks of text in images, posters, signage—without the typical garbling you see from most models.
We even pushed it toward multilingual text: It managed to generate some hanzi Chinese characters, though the accuracy wasn't perfect. Still, the fact that it tried and got partway there is notable.
The model understands artistic style well, shifting between photographic realism, graphic design aesthetics, and illustrated styles without much friction. It reads prompts carefully, including stylistic instructions, and delivers something coherent on the other end. For a broad range of visual tasks, it's versatile.
Now for the harder truths.
MAI-Image-2 is aggressively filtered—more so than Google Imagen, and more so than OpenAI’s DALL-E. We ran our usual test of a cartoon drawing of a spider chasing a woman, and got a flat refusal. Again, that's a drawing—of a spider. The content moderation here is tuned to a level that will frustrate anyone doing creative work in gray areas, horror illustration, or anything that reads as remotely tense.
The usage limits are equally restrictive. Each generation triggers a 30-second cooldown. After 15 images, you're locked out for 24 hours. For casual experimentation, that's manageable. For any kind of production workflow, it's a dealbreaker in the native UI.
There's also only one resolution: 1:1. No landscape, no portrait, no custom ratios. In 2026, that's a significant limitation—particularly for social media content, which is precisely where Microsoft presumably wants this embedded in Copilot.
And speaking of Copilot: MAI-Image-2 isn't there yet. The rollout is happening, but as of today, the product you'd actually want it in doesn't have it.
One more missing piece: This is purely a text-to-image tool. No image-to-image, no inpainting, no outpainting, no reference image support. For users expecting anything close to Firefly or Midjourney's editing capabilities, this will feel half-finished.
Our takeMAI-Image-2 performs better than its leaderboard ranking suggests. In our hands-on tests, it beat GPT-Image on image quality and text rendering, which is interesting given that GPT-Image sits above it on Arena.ai’s leaderboard. Benchmark positions don't always tell the full story.
The strategic logic behind building this is clear. Microsoft has been licensing OpenAI's image models for Copilot while simultaneously funding OpenAI's biggest competitor, Anthropic. Having a capable in-house model reduces dependency, cuts costs at scale, and gives Microsoft something to iterate on without asking for permission.
From that angle, MAI-Image-2 doesn't need to beat Nano Banana. It just needs to be good enough—and it is.
The problem is the product constraints. The generation caps, the strict content policy, the 1:1-only output, the missing editing features, etc; these are the kinds of limitations that put a ceiling on real-world utility. A model this capable deserves infrastructure that matches it.
MAI-Image-2 is a strong technical foundation hamstrung by conservative product decisions. Once Microsoft loosens the restrictions, this becomes a serious contender. Right now, it's a promising preview of what Microsoft's image stack could actually become.
Daily Debrief NewsletterStart every day with the top news stories right now, plus original features, a podcast, videos and more.
In brief Microsoft’s MAI-Image-2 is a new state-of-the-art AI image generation model The model puts Microsoft in as the third-best AI lab on the Image Arena leaderboard thanks to its strong realism and text rendering. Strict filters, usage caps, and missing features currently limit real-world usefulness, however. Microsoft has been quietly building its own image generator. Announced Thursday by the company's AI Superintelligence team, MAI-Image-2 has already landed at #3 on the Arena.ai leaderboard—behind only the models from Google and OpenAI—making Microsoft a legitimate player in a space it had previously outsourced to its partners.
That last part is worth sitting with. Microsoft has been paying OpenAI billions to power Copilot and Bing Image Creator. Building a competing image model in-house is an interesting business move.
MAI-Image-2 is available now in the MAI Playground, with a gradual rollout to Copilot and Bing Image Creator underway. API access is currently limited to select enterprise customers, with broader availability on Microsoft Foundry coming soon.
The team says it built the model by talking directly to photographers, designers, and visual storytellers. Three things came out of those conversations: improved photorealism, more reliable in-image text generation, and stronger capacity for detailed, imaginative scene construction. Whether or not that process translated into a genuinely useful tool is a different question.
Testing MAI-Image-2The first thing you notice when you open the MAI Playground is how understated it is. The interface is minimal and clean, visually somewhere between Claude and Hume, with none of the maximalist dashboard energy you get from Midjourney or the chatbot experience you get from Gemini.
The images themselves are genuinely pretty strong. Photorealism is a real strength here—the model has a solid grasp of natural light, surface texture, and spatial relationships. It doesn't quite hit the level of Google’s Nano Banana Pro, which still rules the leaderboard for a reason, but in some realism tests it comes surprisingly close.
Better prompting likely pushes it further; our initial results improved noticeably as we dialed in our descriptions.
Even complex, unrealistic scenes with parameters that defied logic were properly handled by the model, beating other models in details like the body proportions, limb position, depth, and spatial positioning.
For example, this image of a dog riding a bike in the middle of the ocean is arguably the most accurate one we’ve produced in zero-shot tests.
Text generation is a legitimate highlight. MAI-Image-2 handled complex typography with far more consistency than we expected—large blocks of text in images, posters, signage—without the typical garbling you see from most models.
We even pushed it toward multilingual text: It managed to generate some hanzi Chinese characters, though the accuracy wasn't perfect. Still, the fact that it tried and got partway there is notable.
The model understands artistic style well, shifting between photographic realism, graphic design aesthetics, and illustrated styles without much friction. It reads prompts carefully, including stylistic instructions, and delivers something coherent on the other end. For a broad range of visual tasks, it's versatile.
Now for the harder truths.
MAI-Image-2 is aggressively filtered—more so than Google Imagen, and more so than OpenAI’s DALL-E. We ran our usual test of a cartoon drawing of a spider chasing a woman, and got a flat refusal. Again, that's a drawing—of a spider. The content moderation here is tuned to a level that will frustrate anyone doing creative work in gray areas, horror illustration, or anything that reads as remotely tense.
The usage limits are equally restrictive. Each generation triggers a 30-second cooldown. After 15 images, you're locked out for 24 hours. For casual experimentation, that's manageable. For any kind of production workflow, it's a dealbreaker in the native UI.
There's also only one resolution: 1:1. No landscape, no portrait, no custom ratios. In 2026, that's a significant limitation—particularly for social media content, which is precisely where Microsoft presumably wants this embedded in Copilot.
And speaking of Copilot: MAI-Image-2 isn't there yet. The rollout is happening, but as of today, the product you'd actually want it in doesn't have it.
One more missing piece: This is purely a text-to-image tool. No image-to-image, no inpainting, no outpainting, no reference image support. For users expecting anything close to Firefly or Midjourney's editing capabilities, this will feel half-finished.
Our takeMAI-Image-2 performs better than its leaderboard ranking suggests. In our hands-on tests, it beat GPT-Image on image quality and text rendering, which is interesting given that GPT-Image sits above it on Arena.ai’s leaderboard. Benchmark positions don't always tell the full story.
The strategic logic behind building this is clear. Microsoft has been licensing OpenAI's image models for Copilot while simultaneously funding OpenAI's biggest competitor, Anthropic. Having a capable in-house model reduces dependency, cuts costs at scale, and gives Microsoft something to iterate on without asking for permission.
From that angle, MAI-Image-2 doesn't need to beat Nano Banana. It just needs to be good enough—and it is.
The problem is the product constraints. The generation caps, the strict content policy, the 1:1-only output, the missing editing features, etc; these are the kinds of limitations that put a ceiling on real-world utility. A model this capable deserves infrastructure that matches it.
MAI-Image-2 is a strong technical foundation hamstrung by conservative product decisions. Once Microsoft loosens the restrictions, this becomes a serious contender. Right now, it's a promising preview of what Microsoft's image stack could actually become.
Daily Debrief NewsletterStart every day with the top news stories right now, plus original features, a podcast, videos and more.
Key HighlightsContract Revision Enabled Strategic ShiftLean Development Teams Deliver Outsized ResultsGet 3 Free Stock Ebooks Microsoft unveiled three proprietary AI models: MAI-Transcribe-1, MAI-Voice-1, and MAI-Image-2, now accessible via Microsoft Foundry. MAI-Transcribe-1 achieves superior accuracy across 25 languages, surpassing OpenAI’s Whisper and Google Gemini Flash in benchmark testing. A renegotiated OpenAI agreement from late 2025 now permits Microsoft to develop frontier AI models independently. Development teams of under 10 engineers built each model, utilizing approximately 50% fewer GPU resources than competitors. Mustafa Suleiman, Microsoft AI CEO, announced intentions to create a frontier large language model, pursuing complete AI autonomy. Microsoft executed its boldest move yet in the AI race on Wednesday, unveiling three proprietary models that position the tech giant as a direct rival to OpenAI, Google, and emerging AI companies.
Microsoft Corporation, MSFT
The newly released trio — MAI-Transcribe-1, MAI-Voice-1, and MAI-Image-2 — can now be accessed through Microsoft Foundry and a dedicated MAI Playground. These tools encompass speech recognition, voice synthesis, and visual content generation. Mustafa Suleiman, Microsoft’s AI CEO, characterized the debut as the inaugural product from his “superintelligence team,” established merely six months prior.
MICROSOFT ANNOUNCED PLANS TO DEVELOP ADVANCED AI MODELS BY 2027.
— First Squawk (@FirstSquawk) April 2, 2026
MSFT shares experienced their most challenging quarter since 2008, declining approximately 17% year-to-date. This model introduction marks Suleiman’s initial public response to shareholder demands for meaningful returns on substantial AI investments.
MAI-Transcribe-1 stands as the flagship offering. It delivers the lowest average Word Error Rate on the FLEURS benchmark for the top 25 languages used across Microsoft products, recording an average of 3.8%. The company asserts it exceeds OpenAI’s Whisper-large-v3 performance across all 25 languages and surpasses Google’s Gemini 3.1 Flash on 22 of 25. The system handles MP3, WAV, and FLAC files up to 200MB, with batch processing speeds 2.5 times faster than current Azure solutions. Testing is already underway within Teams and Copilot Voice.
MAI-Voice-1 produces 60 seconds of realistic audio output in just one second and enables custom voice generation from minimal audio samples lasting only seconds. Pricing is set at $22 per million characters. MAI-Image-2 secured a top-three position on the Arena.ai leaderboard and is being integrated into Bing and PowerPoint, with pricing at $5 per million input tokens and $33 per million image output tokens. WPP has become an early enterprise adopter implementing the technology at scale.
Contract Revision Enabled Strategic Shift This product launch couldn’t have occurred twelve months earlier. Through October 2025, Microsoft faced contractual restrictions preventing independent artificial general intelligence development under its original 2019 OpenAI agreement.
When OpenAI pursued additional compute resources beyond Microsoft — establishing partnerships with SoftBank and others — Microsoft initiated contract renegotiations. The updated agreement permits Microsoft to develop proprietary frontier models while maintaining licensing rights to OpenAI’s developments through 2032.
Suleiman explained to VentureBeat: “Back in September of last year, we renegotiated the contract with OpenAI, and that enabled us to independently pursue our own superintelligence.” He emphasized the OpenAI partnership continues through at least 2032.
Lean Development Teams Deliver Outsized Results Among the most striking revelations from the announcement: development teams of under 10 engineers created each model. Suleiman indicated the audio model team consisted of 10 people, with performance improvements stemming from architectural choices and data curation rather than workforce expansion.
“Our image team, equally, is less than 10 people,” he noted. This methodology contrasts sharply with prevailing industry practices, where organizations like Meta have allegedly extended individual researcher compensation packages ranging from $100 million to $200 million.
Microsoft emphasizes its intentionally competitive pricing — structured to undercut Amazon and Google. Suleiman labeled it “the cheapest of any of the hyperscalers.” The organization is already mapping out frontier-scale GPU cluster deployments over the coming 12 to 18 months.
Suleiman validated that a large language model appears on the development roadmap, stating Microsoft aims to become “completely independent” while delivering “state of the art models across all modalities.”
TLDR Microsoft launched MAI-Code-1 to generate source code from written prompts. MAI-Code-1 is available through GitHub Copilot and Visual Studio Code. Microsoft introduced MAI-Thinking-1 as a reasoning model focused on lower token costs. MAI-Thinking-1 is available in private preview through Microsoft Foundry. Microsoft is building more in-house AI models while still partnering with OpenAI and Anthropic. Microsoft used its Build conference in San Francisco to introduce new in-house AI models for developers. The company launched MAI-Code-1 for software generation and MAI-Thinking-1 for reasoning tasks.
Microsoft Enters AI Coding With MAI-Code-1 MAI-Code-1 turns written prompts into source code for applications and websites. Microsoft introduced the model as demand grows for text-based software development tools. Developers now use natural language prompts to build code, interfaces, and basic products. This practice has gained attention under the “vibe coding” label.
Microsoft placed MAI-Code-1 inside GitHub Copilot and Visual Studio Code. That gives the coding model direct access to the company’s developer user base. Kyle Daigle, Microsoft’s developer marketing chief and GitHub operating chief, described the model as “inference ultra-efficient.”
The company used that point to highlight lower operating demands. The new model also gives Microsoft more control over AI coding costs. The company can run its models on Azure instead of paying outside model providers.
MAI-Thinking-1 Targets Reasoning at Lower Token Costs Microsoft also introduced MAI-Thinking-1, a reasoning model built for performance and cost control. The company positioned the model as medium-sized and efficient. Daigle wrote that MAI-Thinking-1 was “built for high efficiency and performance.” He added that it runs “at a low token cost.”
Developers use tokens to pay for AI model input and output. Therefore, lower token costs can reduce spending for companies that run large workloads. MAI-Thinking-1 has entered private preview through Microsoft Foundry.
The service helps customers integrate AI models into software applications. Customers can register interest before Microsoft makes the reasoning model widely available. The company has not provided a full release date for broader access.
Microsoft Builds More of Its Own AI Stack Microsoft has invested heavily in leading AI companies while building its own systems. The company committed $13 billion to OpenAI and $5 billion to Anthropic. It also offers OpenAI and Anthropic models through Azure cloud services. However, its new models give developers another path inside Microsoft’s own ecosystem.
The company’s strategy comes as OpenAI and Anthropic pursue public market plans. As we had reported, Anthropic confidentially filed for an initial public offering on Monday. OpenAI has also explored a possible offering this year, according to the report. Both companies have recorded strong growth during the current AI cycle.
Microsoft faces competition from Google, which released Gemini 3.5 Flash in May. Google designed that model for coding and other tasks inside its own data centers. At Build, Microsoft also announced updated cloud models for speech recognition and synthetic voice generation. It also revealed image generation updates and small Aion models for Windows PCs.
Microsoft just dropped seven AI models in a single day.
Announced on June 2 at Build 2026 in San Francisco, the new models mark the company’s biggest expansion yet of its in house AI lineup. The releases cover reasoning, image generation and editing, coding, voice, and transcription, all built under the Microsoft AI brand led by Mustafa Suleyman.
What Microsoft actually shipped
The flagship release is MAI Thinking 1, Microsoft’s first dedicated reasoning model. The system is built to work through complex multi step problems, with a focus on software engineering and enterprise use cases.
Microsoft also introduced MAI Image 2.5, which handles image generation and editing, and MAI Code 1 Flash, a lightweight coding model designed for faster, lower cost inference inside GitHub Copilot and Visual Studio Code.
The lineup also includes updated voice and transcription models, extending the MAI stack across the main formats businesses use every day: text, code, images, speech, and audio.
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The models will be delivered through Microsoft Foundry and related platforms, giving enterprise customers a way to test and deploy Microsoft built models inside existing workflows.
The Suleyman factor and the OpenAI question
The new releases sharpen one of the biggest questions in enterprise AI: how far Microsoft wants to go beyond OpenAI.
For years, Microsoft’s AI strategy centered on backing OpenAI, integrating GPT models into products, and monetizing usage through Azure and Copilot. That strategy is still intact, but the MAI releases show Microsoft is building a more independent model stack under Suleyman.
Microsoft AI launched three MAI models in April: MAI Transcribe 1, MAI Voice 1, and MAI Image 2. Those models are already available through Foundry and MAI Playground. With seven more announced at Build, Microsoft has added ten MAI models in roughly two months.
That pace matters. The more models Microsoft owns, the more control it has over cost, performance, product timing, and enterprise customization. It also gives the company more leverage as it continues working with OpenAI while building alternatives for specific workloads.
What this means for the enterprise AI market
The MAI models are aimed at enterprise and developer use cases where Microsoft already controls the distribution layer. Copilot is embedded across Microsoft 365, GitHub, Windows, and Azure, giving Microsoft a direct path to place its own models inside products customers already use.
That lets Microsoft optimize the full stack without depending entirely on third party model releases. A coding model can be tuned for GitHub. A reasoning model can be routed into enterprise workflows. Image, voice, and transcription models can support Microsoft 365 and Copilot experiences at lower cost.
The result is not a clean break from OpenAI. It is a hedge. Microsoft can keep using OpenAI’s frontier models where they are strongest while routing more tasks to its own MAI models when cost, speed, privacy, or customization matter more.
Microsoft has been ramping up proprietary AI development under the MAI label since 2025, beginning with MAI 1 preview and MAI Voice 1, followed by MAI Image 1 and the April 2026 Foundry releases. The Build announcements show that the effort is moving from experiment to strategy.
Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.
June 3, 2026 – Microsoft’s 2026 Build Conference kicked off in San Francisco, centered on its new “Deployable and Governable AI Agent Platform” initiative. The tech giant introduced its proprietary MAI model lineup, covering core capabilities including reasoning, programming, image recognition, speech, and transcription—with its flagship reasoning model, MAI-Thinking-1, leading the charge. Microsoft Foundry received a major overhaul, adding key features such as Agent runtime, toolbox, memory, Enterprise Knowledge Retrieval Foundry IQ, Voice Live, and assessment/governance tools. The update strengthens the end-to-end Agent development pipeline, streamlining progress from prototype testing to full production deployment. On the Windows front, Microsoft positioned local AI as a top developer platform priority. It rolled out developer-friendly Windows configurations, an intelligent Shell/Terminal, Agent sandbox, and WSL (Windows Subsystem for Linux) capability upgrades, while highlighting Foundry on Windows—enabling small models, Agent inference, and local coding models to run natively on PCs. For hardware, Microsoft unveiled the Surface RTX Spark Dev Box for AI developers, built around the NVIDIA RTX Spark superchip. It offers up to 1 petaflop of AI computing power and 128GB of unified memory, supporting local model operation, large-scale model fine-tuning, and end-to-end Agent workflows. Additionally, Microsoft launched the next-gen Majorana 2 quantum chip, stating its quantum bit reliability has surged 1,000 times over the previous generation, with an average 20-second lifespan. The company has advanced its timeline for delivering a scalable quantum computer to 2029. Microsoft Discovery also hit general availability, letting research and engineering teams leverage AI Agents to accelerate their development workflows. As of the latest report, Microsoft’s after-hours stock price dropped 0.65%, following a 4.17% close-down on Tuesday.
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PANews reported on June 3 that Microsoft unveiled seven new models at its Build conference, covering inference, code, image, transcription, and speech processing. These models include MAI Thinking-1, MAI Code-1-Flash, MAI Image-2.5, MAI Image-2.5-Flash, MAI Transcribe-1.5, MAI Voice-2, and MAI Voice-2-Flash. These models are built from scratch based on clear data sources, emphasizing efficiency and seamless collaboration. The flagship inference model, MAI-Thinking-1, is competitive with similar models in STEM inference and coding tasks. The code model, MAI-Code-1-Flash, outperforms Claude Haiku 4.5 on all coding benchmarks tested, and uses 60% fewer tokens. This model is already available on GitHub Copilot.
Key Highlights Project Solara represents Microsoft’s vision for AI-native hardware that operates through agents rather than conventional applications The new Surface RTX Spark Dev Box, built with Nvidia technology, supports local execution of 120-billion parameter AI models MAI Thinking-1, Microsoft’s latest reasoning model, delivers performance comparable to Anthropic’s Claude Opus 4.6 Microsoft AI CEO Mustafa Suleyman criticized Anthropic’s pricing structure and announced plans to reduce Microsoft’s reliance on the company A strategic partnership with Mayo Clinic will focus on developing advanced healthcare AI solutions During its Build developer conference in San Francisco on June 2, Microsoft presented an ambitious vision for transitioning computing from app-based systems to agent-driven experiences.
Microsoft Corporation, MSFT
CEO Satya Nadella, alongside senior leadership, outlined Microsoft’s plan to expand control across the entire AI technology stack—spanning hardware development to model creation—amid intensifying rivalry with OpenAI and Anthropic.
Microsoft stock (MSFT) is listed on the Nasdaq exchange. While the company hasn’t tied specific stock price targets to the conference, the announcements signal a fundamental transformation in Microsoft’s product development and artificial intelligence approach.
The Project Solara initiative encompasses a series of experimental devices spanning multiple form factors, from smart speaker-sized units to badge-style devices. Utilizing processors from Qualcomm and MediaTek, these products bypass conventional operating systems completely, instead operating exclusively through AI agents.
Nadella positioned this as an opportunity to fundamentally “rewrite the rules” governing platform development, offering developers and business users unprecedented freedom to create agent-centric hardware solutions.
Surface RTX Spark Dev Box Unveiled In the personal computing segment, Microsoft introduced the Surface RTX Spark Dev Box, equipped with Nvidia’s RTX Spark processor. Nadella described it as his “dream machine” and revealed he had personally joined the waiting list.
This system successfully executed a 120-billion parameter AI model entirely on-device—a capability beyond most existing personal computers. Microsoft simultaneously launched a collaborative laptop with Nvidia this week, directly challenging Apple’s dominance in the premium computer segment.
Industry analysts suggested that widespread enterprise adoption of these advanced systems may require considerable time.
Microsoft additionally announced efforts to adapt OpenClaw—open-source technology for coordinating multiple AI agents—for secure enterprise deployment on Windows platforms. This software has already contributed to increased Mac computer sales for Apple in the Chinese market.
MAI Thinking-1 Launch and Direct Anthropic Competition Microsoft’s artificial intelligence division introduced MAI Thinking-1, the company’s inaugural in-house reasoning model, which Microsoft claims achieves parity with Anthropic’s Claude Opus 4.6. Anthropic has subsequently launched Opus 4.8.
This model forms part of Microsoft’s strategic effort to develop cutting-edge AI capabilities independently of OpenAI, despite years of financial backing. A restructured partnership agreement finalized in April granted Suleyman’s division autonomy to pursue proprietary model development.
AI division leader Mustafa Suleyman spoke candidly about competitive dynamics in a Bloomberg interview: “Anthropic is extremely expensive, and I think many people are urgently looking for alternatives.”
He continued: “We pay a lot of money to Anthropic — so our goal is to reduce and ultimately eliminate that cost.”
Microsoft positioned its latest coding model as delivering equivalent performance to Anthropic’s Opus 4.6 while offering superior cost efficiency—identifying pricing as a crucial competitive differentiator.
Appian CEO Matt Calkins provided broader market context: “We are in the era of subsidies for AI. When OpenAI and Anthropic go public, these prices will probably increase substantially.”
Anthropic submitted its IPO prospectus confidentially to the Securities and Exchange Commission this week. OpenAI is anticipated to follow with its own filing in the near term.
Regarding healthcare initiatives, Microsoft revealed a collaboration with Mayo Clinic focused on building frontier healthcare artificial intelligence, merging Microsoft’s computational and reasoning infrastructure with Mayo’s extensive clinical datasets.
