/AI4h ago

MAI Unveils MAI-Thinking-1 Reasoning Model With Strong STEM Benchmarks

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#486

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Alexia Jolicoeur-Martineau#486

Microsoft AI@MicrosoftAI

MAI-Thinking-1 is our first in-house reasoning model developed from scratch that is competitive with models of similar size on STEM reasoning and coding tasks.

35B active/1T total MOE. 💻Coding: 52.8% on SWE Bench Pro competitive with Opus 4.6 🧐 Reasoning: 97% on AIME 25 🤝Preferred to Sonnet 4.6 on blind side-by-side tests

1:00 PM · Jun 3, 2026 · 17.1K Views

/AI4h ago

MAI Unveils MAI-Thinking-1 Reasoning Model With Strong STEM Benchmarks

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Original posts

Reposts

#486

Original post

Alexia Jolicoeur-Martineau#486

Microsoft AI@MicrosoftAI

MAI-Thinking-1 is our first in-house reasoning model developed from scratch that is competitive with models of similar size on STEM reasoning and coding tasks.

35B active/1T total MOE. 💻Coding: 52.8% on SWE Bench Pro competitive with Opus 4.6 🧐 Reasoning: 97% on AIME 25 🤝Preferred to Sonnet 4.6 on blind side-by-side tests

1:00 PM · Jun 3, 2026 · 17.1K Views

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Negative users mocked Microsoft’s manual processes for building massive coding files as outdated and dismissed MAI-Thinking-1 benchmark gains as meaningless due to test split variance.

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