Claude Fable 5.2

Name: Claude Fable 5.2
Price: 8 USD
Author: Anthropic

Anthropic🇺🇸 United States

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Context window1000K tokens

Input / 1M tokens$8

Output / 1M tokens$40

Pricing and context window via OpenRouter, 2026-11-09.

Version History

5.2minorNovember 9, 2026

Claude Fable 5.2 and Mythos 5.2 are upgraded versions of the same underlying model, with improvements in coding, reasoning and vision. Anthropic says output is up to 30% faster than 5.1 at a lower price of $8 per 1M input and $40 per 1M output tokens.

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model releaseAnthropic

Anthropic releases Claude Fable 5.2 and Mythos 5.2 at $8/$40 per 1M tokens, with an optional fast mode

Anthropic released Claude Fable 5.2 and Claude Mythos 5.2, priced at $8 per million input tokens and $40 per million output tokens. Anthropic says they generate output up to 30% faster than the 5.1 models, and Fable 5.2 reaches 49.1% on FrontierCode 2.0 at Xhigh effort.

November 9, 2026 · 7:21 PM4 min read

Anthropic Claude Fable 5.2 Claude Mythos 5.2