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DEEP REASONING · Anthropic

Claude Fable 5

Claude Fable 5 is a reasoning, tool-using model from Anthropic in the Claude family, living in The High Peaks (deep reasoning). It reads text, files and images and writes text, with a 1M-token context window and up to 128K tokens of output. On OpenRouter it costs $10.0 per million input tokens and $50.0 per million output tokens.

See Claude Fable 5 in 3DOpen in the WorktableView on OpenRouter

Specifications

Provider
Anthropic
Family
Claude
Province
The High Peaks
Context window
1M tokens
Maximum output
128K tokens
Input / 1M tokens
$10.0
Output / 1M tokens
$50.0
Accepts
text, files, images
Produces
text
Reasoning
Yes
Tool use
Yes
Added to OpenRouter
2026-06-09
Model ID
anthropic/claude-fable-5
Price history
—All recorded prices

From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.

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