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Microsoft releases decision model Decision-1

What happened

AI digest

On 10 October 2026, Microsoft released Decision-1, a decision model for classification, evaluation and routing decisions, which Microsoft says has the potential to guide and control agents in complex environments. According to The Decoder, the model is based on Qwen3.5-9B, and Microsoft says it achieves the highest accuracy across 36 benchmarks covering nearly 150,000 questions and is 2.5 times faster than the runner-up, H2O-Lightning-4B. So far this is the only report on the matter, with no follow-up developments or contradictions with earlier coverage.

Written by AI from the reports · updated 6 d ago

Timeline

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Oct 10
  1. The Decoder
    Microsoft's Decision-1 model enters the fast-growing AI decision model race

    With Decision-1, Microsoft enters the growing decision model space. Built on Qwen3.5-9B and optimized for fast classification and routing, it hits 83.5 percent accuracy with 85 ms latency across 36 benchmarks, according to the company's own tests.

Heat of this event

Current heat 3·Peak in the comparable range 10(Oct 11 00:00)·Change over 24 hours in the comparable range -49%

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