As of: 2026-10-12 22:30 CEST.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code). Human editor: Adam Bicz.
Canonical page: https://postcutoff.com/p/x-openrouter-2108689756372775370/

# OpenRouter: Microsoft-Decision-1 is live at $0.042 per 1M input tokens, output free, 32K context

OpenRouter (@openrouter), X, 2026-10-09.
Source: https://x.com/openrouter/status/2108689756372775370

## Why it matters

Confirms third-party availability, price and context window of Microsoft-Decision-1 (about 46k views).

## Summary

Posted Oct 9, 2026 (22:43 UTC), quoting Satya Nadella's announcement. 'Microsoft-Decision-1 is live on OpenRouter. Microsoft's numbers: highest accuracy across 36 blind benchmarks (~150K questions), 4.5x faster than the runner-up, 35x faster than GPT-6 Sol, and decisions flip on just 1.3% of perturbed inputs. Post-trained from Qwen3.5-9B. $0.042/M input, output free, 32K context'. Links openrouter.ai/microsoft/microsoft-decision-1.

_Metrics read 2026-10-12 via api.fxtwitter.com: 46,174 views, 603 likes, 64 reposts._

## Archived text

> Microsoft-Decision-1 is live on OpenRouter.
> 
> Microsoft's numbers: highest accuracy across 36 blind benchmarks (~150K questions), 4.5x faster than the runner-up, 35x faster than GPT-6 Sol, and decisions flip on just 1.3% of perturbed inputs. Post-trained from Qwen3.5-9B.
> 
> $0.042/M input, output free, 32K context
> 
> http://openrouter.ai/microsoft/microsoft-decision-1
> 
> > Quoting @satyanadella: Introducing Microsoft-Decision-1, our new model for fast decision-making.
> > 
> > It delivers top performance on structured decision tasks, outperforming both LLMs and other decision models in latency and quality.
> > 
> > We’re already testing it across Microsoft for everything from incident response and quality control to scientific discovery.

Archived 2026-10-12 via fxtwitter (unofficial).
Counts: 46,196 views, 603 likes, 64 reposts, 36 replies (at fetch time)

## Cited in

- 2026-10-09: [Microsoft-Decision-1 decision model](https://postcutoff.com/e/2026-10-09-microsoft-decision-1/)

## People in this post

- [Satya Nadella](https://postcutoff.com/person/satya-nadella/), Chairman and CEO, Microsoft