Fable 5.2 on Vercel AI Gateway

Fable 5.2 on the Vercel AI Gateway. First-party from Vercel.

by @vercel_devAdded Nov 9, 2026

Claude Fable 5.2 is live on AI Gateway. It improves on earlier Fable models in coding, reasoning, and vision, and can orchestrate or advise smaller models on harder problems. 𝚊𝚗𝚝𝚑𝚛𝚘𝚙𝚒𝚌/𝚌𝚕𝚊𝚞𝚍𝚎-𝚏𝚊𝚋𝚕𝚎-𝟻.𝟸

Claude

@claudeai

Fable 5.2 and Mythos 5.2 are a step above Opus 5.5 in almost all the capabilities we evaluated. Testers have found that they communicate more clearly than past Fable and Mythos models. They generate outputs up to 30% faster than Fable 5.1 and Mythos 5.1.

7:08 PM · Nov 9, 2026

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Fable 5.2 is now available in the Claude Platform and Claude Code. It’s up to 30% faster than Fable 5.1, and costs $8/$40 per 1M tokens, down from $10/$50.

Claude

@claudeai

Introducing Claude Fable 5.2 and Claude Mythos 5.2, designed to tackle the most daunting technical challenges. They’re capable collaborators on ambitious projects in many fields, and show improvements in areas like coding, reasoning, and vision.

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Claude Fable 5.2 is now available in GitHub Copilot for complex, multistep coding across large codebases. • Requires data retention by default; zero data retention available for some eligible enterprises github.blog/changelog/2026…

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I built thimble, an open source Claude Code plugin that makes it easy to understand what agents did. It adds explainers and interactive visualizations in your terminal. If Claude Code is for building, thimble is for understanding. Install thimble here! github.com/safety-researc…

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Anthropic's public model for the hardest technical work. Up to 30% faster than Fable 5.1, and cheaper. Live on the Claude apps, Claude Code, and the major clouds.

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