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TRUE, BUTNarrowed Superlative

It is August.

“Microsoft's MAI-Thinking-1, now rolling out in Foundry, is toe-to-toe with Claude Opus 4.6 on SWE-Bench Pro, hits 97.0% on AIME 2025, and was preferred over Claude Sonnet 4.6 in blind human evaluations.”

Microsoft AI, 2 June 2026

Recorded 14 August 2026. Our ruling means: literally true, materially misleading.

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Receipts pack

The evidence file for this verdict

6 receipts: 2 support the claim, 1 contradict it, 3 add context. 3 figures on the record, 3 traced to a quoted receipt.

The receipts

Each source, the line we quote from it, its date and which way it cuts. Free to read and to cite.

  1. 1Supports the claimmicrosoft.ai ↗

    Despite this, our model is toe-to-toe with Claude Opus 4.6 on SWE-Bench Pro.

    Look up an archived copy ↗

  2. 2Supports the claimmicrosoft.ai ↗

    MAI-Thinking-1 reaches 97.0% on AIME 2025, and 94.5% on AIME 2026, showing strong mathematical and scientific reasoning for its weight class.

    Look up an archived copy ↗

  3. 3Contextmicrosoft.ai ↗

    The evaluation spanned 1,276 tasks across a wide variety of use cases in both single-turn and multi-turn conversations

    Look up an archived copy ↗

  4. 4Contextmicrosoft.ai ↗

    users preferred MAI-Thinking-1 over Claude Sonnet 4.6

    Look up an archived copy ↗

  5. 5Contradicts the claimtechjacksolutions.com ↗

    Benchmark scores are self-reported and one independent aggregator hasn't confirmed the flagship AIME 2025 figure.

    Look up an archived copy ↗

  6. 6Contexttechtimes.com ↗

    First In-House Reasoning Model, Trained Without OpenAI Data

    Look up an archived copy ↗

Members' extras

What each receipt proves, and what would change our mind.

  • What each receipt above proves, in our words
  • The figures table, each number traced to the receipt that states it
  • The trick behind the claim, explained, with the guide to spotting it
  • What would change our verdict
  • Our call on the record, with its due date

The verdict, the opening and every receipt above stay free. Membership adds our analysis to the evidence file for every checked story.

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