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Anthropic · Active

Claude Fable 5

claude-fable family · launched 2026-06-09

MultimodalReasoningToolsStructured
AITopic score75.9#8 overall

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

Evidence coverage3%1 evaluations · 1 institutions
Context / maximum output1M / 128ktokens
Cache / input / output$1 · $10 · $50USD per million tokens
Value / freshness50.5 / 73relative value · release freshness
Product profile

What this model supports

Inputtext, image, pdf
Outputtext
Knowledge cutoff2026-01-31
WeightsProprietary / hosted
Capability profile

Strengths by domain

Coding—0 public results
Research & reasoning—0 public results
Professional work—0 public results
Knowledge & instruction—0 public results
Behind the score

Every result has a source

Raw results and standardized readings are shown together. Missing tests add neither points nor penalties.

Human preference & indices2 results

AA IndexArtificial Analysis69.31 indexReading 75.8

Imported from a directly fetched third-party leaderboard.

Configuration: Claude Fable 5Open evidence
Arena TextLMArena1,491.2 EloReading 75.8

Direct LMArena text leaderboard result.

Open evidence
Same builder

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