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AI model · Anthropic

Claude Fable 5

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...

The figures

Made by
Anthropic
Model ID
anthropic/claude-fable-5
Input
$10 per million tokens
Output
$50 per million tokens
Context window
1M tokens
Longest answer
128K tokens
Takes in
text, image, file
Gives back
text
Reasoning
Yes
Tool calling
Yes
Reads images
Yes
Open weights
No
Released
9 Jun 2026

Read on 3 Oct 2026.