Microsoft’s first advanced reasoning AI is here
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Microsoft announced a bunch of new in-house AI models at Build 2026, including a new “flagship” model: MAI-Thinking-1. It’s an ambitious step into model development for Microsoft, which introduced its initial in-house models last year — before then, it had relied on OpenAI’s models. The two companies recently renegotiated their deal to loosen ties. Microsoft’s first advanced reasoning AI is here MAI-Thinking-1 is one of seven new models announced at Build 2026. MAI-Thinking-1 is one of seven new models announced at Build 2026. According to Microsoft, MAI-Thinking-1 is a “medium-sized model” that “matches leading models” on “key” software engineering benchmarks. Microsoft says the company “trained it from the ground up on clean data, without distillation from third-party models.” As for other models announced today, they’re focused on image generation, transcription, voice, and coding. MAI-Image 2.5 and the flash version can do text-to-image and image editing. MAI-Transcribe-1.5 is “five times faster than competing models.” MAI-Voice-2 and the flash version of that model (which Microsoft says is “coming soon”) add 15 new languages and new options for voices. The new coding model, MAI-Code-1-Flash, is “inference-efficient” and is integrated into GitHub Copilot and Visual Studio Code. Most Popular - Gemini Spark is the most impressive and terrifying AI experience I’ve had yet - PlayStation State of Play June 2026: All the news and trailers - Microsoft’s new developer-optimized Windows embraces Linux even more - Microsoft Build 2026: The 7 biggest announcements - Microsoft created the mini Surface dev box that Qualcomm couldn’t
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