# Anthropic's Claude Fable 5.2 is available on OpenRouter at $8 per million input tokens

> Original title: Claude Fable 5.2 from @AnthropicAI is live on OpenRouter: 1M context, $8/M input, $40/M output

- Source: OpenRouter
- Published: 2026-11-09T19:29:40.000Z
- Bad Influence: https://badinfluence.news/items/crzm5ag2o20kx84qfxgkybui8
- Original: https://x.com/OpenRouter/status/2119875084521447767

## Summary

OpenRouter says Anthropic's Claude Fable 5.2 is now live on its platform, with a 1M context window at $8 per million input tokens and $40 per million output tokens. Anthropic positions it as its model for the most ambitious technical work, a step above Opus 5.5 on most evals and up to 30% faster output than Fable 5.1. Anthropic reports 69.9% on FrontierSWE v2, 89.3% on OSWorld 2.1, and 74.2% on Humanity's Last Exam with tools.

## Post

Claude Fable 5.2 from @AnthropicAI is live on OpenRouter: 1M context, $8/M input, $40/M output

## Quoted post @ModelsOnOR

> Claude Fable 5.2 from @AnthropicAI is live on OpenRouter
> 
> Anthropic's model for the most ambitious technical work, a step above Opus 5.5 on most of its evals. Up to 30% faster output than Fable 5.1, now at a lower price: $8/M input, $40/M output, 1M context.
> 
> Anthropic's numbers: 69.9% on FrontierSWE v2, 89.3% on OSWorld 2.1 and 74.2% on Humanity's Last Exam with tools.
> 
> See more:
> http://openrouter.ai/anthropic/claude-fable-5.2

https://x.com/ModelsOnOR/status/2119874141130256648