Claude Fable 5.1 API Benchmarks, Pricing & Provider Data
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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...
Category Performance
Observed-capability estimates with uncertainty reported separately from independent benchmark families.
- Coverage
- 4 / 8
- Methodology
- V3.0
#1Knowledge68.7Provisional1/4 Measured dimensions
#2Coding67.9RatedGlobal rank #14/4 Measured dimensions
#3Agents64.4RatedGlobal rank #43/4 Measured dimensions
#4Reasoning61.3RatedGlobal rank #13/4 Measured dimensions
Specifications
Input and output token limits for this model, plus how it ranks on long-context understanding.
Features
Rankings
Excels at
Falls behind in
Detailed scores
Updated: Sep 2, 2026Overall
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Overall score79.0#4 / 101DeepSWE67.4#5 / 17
Overall
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Speed & latency
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Output speed61.4 tok/s#54 / 78Time to first token16.07 s#69 / 78
Speed & latency
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Pricing
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Input price$10.00/M#172 / 182Output price$50.00/M#173 / 182
Pricing
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Agents
V3.0undefined metric} other undefined metrics}} · Rated
Score64.4#480% interval55.8–73.03/4 Measured dimensionsAgentic score85.0#7 / 70Terminal-Bench 4.055.8#1 / 1
Agents
V3.0undefined metric} other undefined metrics}} · Rated
Coding
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Score67.9#180% interval61.0–74.84/4 Measured dimensionsSciCode57.6%#5 / 207Coding score80.3#4 / 82
Coding
V3.0undefined metric} other undefined metrics}} · Rated
Reasoning
V3.0undefined metric} other undefined metrics}} · Rated
Score61.3#180% interval52.6–70.03/4 Measured dimensionsGPQA90.6%#26 / 214HLE55.9%#3 / 211
Reasoning
V3.0undefined metric} other undefined metrics}} · Rated
Knowledge
V3.0undefined metric} other undefined metrics}} · Provisional
Score68.780% interval54.7–82.71/4 Measured dimensionsKnowledge score97.0#1 / 70HLE w/o tools60.9#1 / 22
Knowledge
V3.0undefined metric} other undefined metrics}} · Provisional
Math
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No data80% interval30.8–69.20/4 Measured dimensions
Math
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Multilingual
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No data80% interval30.8–69.20/4 Measured dimensions
Multilingual
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Multimodal
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No data80% interval30.8–69.20/4 Measured dimensions
Multimodal
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Instruction following
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No data80% interval30.8–69.20/4 Measured dimensions
Instruction following
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