Claude Fable 5
by Anthropic
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning sup
Models
Claude Fable 5
Added 10 July 2026
Overview
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...
How to use / API access
Call via OpenRouter with model id `anthropic/claude-fable-5`.
- openrouter ·
anthropic/claude-fable-5Docs
OpenRouter id: anthropic/claude-fable-5
Benchmarks
- Intelligence Index (artificial-analysis) : 59.9 index
- Coding Index (artificial-analysis) : 76.5 index
- Agentic Index (artificial-analysis) : 52.8 index
- Design Arena agenticgamedev (other) : 1310 elo · #1
- Design Arena agentichtmlslides (other) : 1254 elo · #1
- Design Arena agenticslides(html) (other) : 1252 elo · #1
- Design Arena androidnative (other) : 1316 elo · #2
Notes
Claude Fable 5 is listed in the EDNA Models directory from the OpenRouter catalogue.
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