Key Info

Microsoft's new decision-making model Microsoft-Decision-1 is now live on OpenRouter, post-trained from Qwen3.5-9B, priced at $0.042/M input with free output and 32K context.

Highlights

  • Claims highest accuracy across 36 blind benchmarks (~150K questions)
  • 4.5x faster than the runner-up and 35x faster than GPT-6 Sol
  • Decisions flip on just 1.3% of perturbed inputs, indicating stability
  • Post-trained from Qwen3.5-9B
  • Priced at $0.042/M input, output free, 32K context window