Anthropic

Claude Fable 5.1

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...

claude-fable-5.1

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Pricing

~92%

USD. No uRouter markup. Live prices can change.

Input: $0.789349 / 1,000,000 tokens
Output: $3.946745 / 1,000,000 tokens
Cache read: $0.019734 / 1,000,000 tokens
Cache write: $0.986686 / 1,000,000 tokens

How pricing works

Model details

Input: text, image, file
Output: text
Context window: 1,000,000 tokens
Maximum output: 128,000 tokens
Availability: $12.8KUncapped capacity
Updated: 11/8/2026, 2:16:16 AM UTC

Capacity is reserved when your request is accepted.

Price history

Observed best prices · Last 24 hours · UTC

$0.789349/ 1,000,000 tokensNov 8, 02:16 AM

Capabilities

chatstreamingweb searchvisiontoolsreasoningjson mode

Supported parameters

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstoolsverbosity

Listed capabilities describe the model. uRouter execution support is verified separately.