Claude Fable 5

anthropic/claude-fable-5

Claude model for creative writing, analysis, and controlled agent workflows

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Context window: 1M
Input: Document · Image · Text
Output: Text
Released: 2026-06-09

Max output: 128K
Knowledge cutoff: 2026-01-31
Weights: Closed
Capabilities: Attachments, Reasoning, Tool call

Pricing

$10.00

USD / 1,000,000 token

Cache write

$12.50 – $20.00

USD / 1,000,000 token

$12.50 · cache TTL: 5m

$20.00 · cache TTL: 1h

Cache read

$1.00

USD / 1,000,000 token

OUT

$50.00

USD / 1,000,000 token

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Performance

Overall capability

63.9/100

Coding: 63.3
Reasoning: 66.3
Professional work: 63.3
Knowledge & language: 62.4


Arena Agent Overall	Professional work	LMArena	2026-11-08
MCP Atlas	Professional work	Scale AI	2026-11-05
ProgramBench	Coding	Vals AI	2026-11-05
Chess Puzzles	Reasoning	Epoch AI	2026-11-05
Vibe Code Bench v1.1	Coding	Vals AI	2026-11-05
SimpleQA Verified	Knowledge & language	Epoch AI	2026-11-05
Code Migration	Coding	Vals AI	2026-11-05
CritPtClaude Fable 5 (Max, Opus 4.8 Fallback)	Reasoning	Artificial Analysis	2026-11-05

Providers

							Cache write
Anthropic	claude-fable-5	Anthropic messages	global
OpenRouter	anthropic/claude-fable-5	Openai chat	global

ModelRegistry · Catalog updated 2026-11-10