Last refreshed 2026-06-02. Next refresh: weekly.
Why use MAI-Thinking-1 on Microsoft Foundry?
Microsoft Foundry offers MAI-Thinking-1 with competitive pricing. Microsoft Foundry is a unified Azure platform-as-a-service offering for enterprise AI operations, model builders, and application development.
Setup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: MAI-Thinking-1MAI-Thinking-1Request example
MAI-Thinking-1.Gotchas
- Use provider model ID "MAI-Thinking-1", not the LLMReference slug "mai-thinking-1".
Capabilities
About MAI-Thinking-1
MAI-Thinking-1 is Microsoft AI's flagship reasoning model, built from scratch on enterprise-grade commercially licensed data without third-party distillation. The sparse mixture-of-experts model activates about 35B parameters from roughly 1T total parameters, supports a 256K-token context window, and targets frontier reasoning and software engineering work at a mid-weight price point. Microsoft reports 97% on AIME 2025, 94.5% on AIME 2026, parity with Claude Opus 4.6 on SWE-bench Pro, and preference over Claude Sonnet 4.6 in a 1,276-task blind human evaluation. It supports function calling and developer instructions through the Chat Completions API.
FAQ
What is the context window for MAI-Thinking-1 on Microsoft Foundry?
MAI-Thinking-1 supports a 256k token context window on Microsoft Foundry.
What API model ID do I use for MAI-Thinking-1 on Microsoft Foundry?
Use the model ID MAI-Thinking-1 when calling Microsoft Foundry's API.
Who created MAI-Thinking-1?
MAI-Thinking-1 was created by Microsoft AI as part of the MAI model family.
Is MAI-Thinking-1 open source?
MAI-Thinking-1 is not open source; the seed data lists it as proprietary.