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Claude Fable 5 vs Mistral Small 4

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Claude Fable 5Mistral Small 4
AttributeClaude Fable 5Anthropic · 40 in the newsMistral Small 4Mistral AI · 1 in the news
Scores
Intelligence (ECI)161
Coding9924
Math95
Reasoning & Knowledge9618
Agentic & Tools9813
Specifications
DeveloperAnthropicMistral AI
FamilyClaudeMistral
ReleasedJun 9, 2026Mar 16, 2026
Parameters
AvailabilityAPI access
Context window1M
Price — $/M input$10.00
Price — $/M output$50.00
Inputstext, image, file
Outputstext
Benchmarks
AIME 2024/2025100%
APEX45%
GPQA Diamond93%77%
Humanity's Last Exam53%10%
SciCode60%38%
SimpleBench82%
SimpleQA Verified68%
WebDev Arena1654
WeirdML92%
τ²-bench99%41%

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.

Claude Fable 5 vs Mistral Small 4 — comparison