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Anthropic's Claude Fable 5.2 is live on OpenRouter with 1M context support

OpenRouterUpdated Nov 10 03:43

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Anthropic's Claude Fable 5.2 is now live on OpenRouter, supporting 1M context, priced at $8/M input and $40/M output. According to OpenRouter, the model is a step above Opus 5.5 on most evals, with output up to 30% faster than Fable 5.1. Anthropic's reported scores are 69.9% on FrontierSWE v2, 89.3% on OSWorld 2.1, and 74.2% on Humanity's Last Exam (with tools).

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Anthropic's new model is live on OpenRouter, with pricing, context, and three benchmark scores provided for comparison with Opus 5.5.

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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: https://t.co/TYq8edTTKN

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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: https://t.co/TYq8edTTKN

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

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OpenRouter