# Microsoft Builds Its Own Brain: MAI Thinking One and the In-House Models Loosening OpenAI's Grip - June 3, 2026 Page: https://stenobird.com/podcast/dx-today-no-hype-podcast-news-about-ai-dx-6434212/microsoft-builds-its-own-brain-mai-thinking-one-and-the-in-house-models-loosening-openai-s-grip-june-3-2026 Text version: https://stenobird.com/podcast/dx-today-no-hype-podcast-news-about-ai-dx-6434212/microsoft-builds-its-own-brain-mai-thinking-one-and-the-in-house-models-loosening-openai-s-grip-june-3-2026.md Podcast: [DX Today | No-Hype Podcast & News About AI & DX](https://stenobird.com/podcast/dx-today-no-hype-podcast-news-about-ai-dx-6434212) Published: 2026-06-03T10:10:53+00:00 Episode link: https://www.buzzsprout.com/2207817/episodes/19286899-microsoft-builds-its-own-brain-mai-thinking-one-and-the-in-house-models-loosening-openai-s-grip-june-3-2026.mp3 Audio file: https://www.buzzsprout.com/2207817/episodes/19286899-microsoft-builds-its-own-brain-mai-thinking-one-and-the-in-house-models-loosening-openai-s-grip-june-3-2026.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/dx-today-no-hype-podcast-news-about-ai-dx-6434212/episodes/microsoft-builds-its-own-brain-mai-thinking-one-and-the-in-house-models-loosening-openai-s-grip-june-3-2026 Duration seconds: 733 ## Resource Send us Fan Mail Microsoft Builds Its Own Brain: MAI Thinking One and the In-House Models Loosening OpenAI's Grip - June 3, 2026 At Build 2026, Microsoft unveiled seven in-house MAI models led by MAI Thinking One, its first homegrown reasoning model trained from scratch with no OpenAI data. Chris and Laura unpack the benchmarks, the Mixture of Experts architecture, and what owning its own frontier model means for Microsoft's complicated marriage with OpenAI. Hosted by Chris and Laura. The ... ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/dx-today-no-hype-podcast-news-about-ai-dx-6434212/episodes/microsoft-builds-its-own-brain-mai-thinking-one-and-the-in-house-models-loosening-openai-s-grip-june-3-2026/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/dx-today-no-hype-podcast-news-about-ai-dx-6434212/microsoft-builds-its-own-brain-mai-thinking-one-and-the-in-house-models-loosening-openai-s-grip-june-3-2026.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.