Claude Fable by Anthropic

Model family · Model APIs & inference · indexed, not reviewed

on OpenRouter

Not reviewed

No score, grade or rank. This listing is facts from OpenRouter and our own checks, and it stays out of the rankings until the panel reviews it.

How the index works

Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual...
What OpenRouter says about Claude Fable 5.1

Some of these models are reviewed as part of Claude API.

Facts

Maker: Anthropic
Models: 2 on OpenRouter
Newest: anthropic/claude-fable-5.1

From OpenRouter and our own checks. JSON · Markdown

Why it's listed

OpenRouter lists it, with prices from the providers that serve it.

Being indexed says nothing about quality, and nobody can pay for it. Is this yours? Ask for a review.

Models 2

Model	Released	Context	Input / 1M	Output / 1M	Supports
Claude Fable 5.1 `anthropic/claude-fable-5.1`	Sep 2026	1M	$10	$50	tools, structured output, reasoning, caching, file, image
Claude Fable 5 `anthropic/claude-fable-5`	Jun 2026	1M	$10	$50	tools, structured output, reasoning, caching, file, image

Prices and limits as OpenRouter lists them, in dollars per million tokens; a provider's own price can differ.

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