{"schema":"postcutoff/model@1","as_of":"2026-10-10T14:45:00+02:00","url":"https://postcutoff.com/m/microsoft-decision-1/","md":"https://postcutoff.com/m/microsoft-decision-1/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"Adam Bicz","policy":"https://postcutoff.com/about/"},"license":null,"id":"microsoft-decision-1","name":"Microsoft-Decision-1","org":"Microsoft","family":"Microsoft-Decision","released":"2026-10-09","status":"current","type":"llm","modality_in":["text"],"modality_out":["text"],"open_weights":false,"model_license":"proprietary","context_window":null,"max_output":null,"knowledge_cutoff":null,"pricing":{"input":0.042,"output":0,"unit":"per 1M tokens (USD); output tokens free","source":"https://commandline.microsoft.com/microsoft-decision-1-model-foundry/"},"price_line":"$0.042 in per 1M tokens; output free","access":[{"provider":"Microsoft Foundry","model_id":"Microsoft-Decision-1","docs":"https://commandline.microsoft.com/microsoft-decision-1-model-foundry/"}],"capabilities":[{"name":"Fast decision scoring","detail":"A post-trained Qwen3.5-9B that scores choices rather than chatting; Microsoft claims the highest accuracy in a 36-benchmark comparison (~150K questions) and p50 latency 2.5x faster than H2O-Lightning-4B v1.1 and 35x faster than GPT-6 Sol.","first":false,"discovered":"launch","source":"https://commandline.microsoft.com/microsoft-decision-1-model-foundry/"}],"entry":"2026-10-09-microsoft-decision-1","notes":"Microsoft says it is also on OpenRouter, but the OpenRouter page returned 404 and the model was absent from OpenRouter's models API on 2026-10-10. Microsoft plans to rebase it on other models, including Microsoft AI and OpenAI models. No weights release mentioned. Context window not stated.","verified":"2026-10-10","body_md":"Competes with Cloudflare's Clef decision models, TypeSafe's Jev and Perplexity's decider models, a new \"decision model\" category in autumn 2026.","page_url":"https://postcutoff.com/m/microsoft-decision-1/","events_after":null,"major_after":null,"historic_after":null,"missing_at_launch":null,"events_since_release":2,"you_url":"https://postcutoff.com/you/microsoft-decision-1/","briefings":null}