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overview changedmodels/fable-5/overview

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77**Legacy.** Released June 9, 2026.
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9Although Claude Fable 5 is still available, you should consider migrating to Claude Fable 5.1 for improved performance. [See Claude Fable 5.1](https://platform.claude.com/docs/en/models/fable-5-1/overview) · [Migrate to Claude Fable 5.1](https://platform.claude.com/docs/en/models/fable-5-1/migration-guide#migrating-from-claude-fable-5-to-claude-fable-5-1)
9Although Claude Fable 5 is still available, you should consider migrating to Claude Fable 5.1. [See Claude Fable 5.1](https://platform.claude.com/docs/en/models/fable-5-1/overview) · [Migrate to Claude Fable 5.1](https://platform.claude.com/docs/en/models/fable-5-1/migration-guide#migrating-from-claude-fable-5-to-claude-fable-5-1)
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1111Model ID: `claude-fable-5`
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1313Context window: 1M tokens · Max output: 128K tokens · Input pricing: $10 / MTok · Output pricing: $50 / MTok
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15[Announcement](https://www.anthropic.com/news/claude-fable-5-mythos-5) · [What’s new](https://platform.claude.com/docs/en/models/fable-5/introducing-claude-fable-5-and-claude-mythos-5)
15[Announcement](https://www.anthropic.com/news/claude-fable-5-mythos-5)
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1717## Fable vs. Mythos
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9191 <Card title="Claude Fable 5.1" icon="arrow-right" href="https://platform.claude.com/docs/en/models/fable-5-1/overview">
9292 The current Fable model: overview, specs, and resources.
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95 <Card title="Introducing Claude Fable 5 and Claude Mythos 5" icon="star" href="https://platform.claude.com/docs/en/models/fable-5/introducing-claude-fable-5-and-claude-mythos-5">
96 Capabilities, API changes, and availability for Claude Fable 5.
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9995 <Card title="Prompting Claude Fable 5" icon="lightbulb" href="https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/prompting-claude-fable-5">
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