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Claude Fable 5 vs Mistral Medium 3.5

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Claude Fable 5Mistral Medium 3.5
AttributeClaude Fable 5Anthropic · 52 in the newsMistral Medium 3.5Mistral AI · 3 in the news
Scores
Intelligence (ECI)163141
Coding9619
Math96
Reasoning & Knowledge8918
Agentic & Tools9675
Specifications
DeveloperAnthropicMistral AI
FamilyClaudeMistral
ReleasedJun 9, 2026Apr 28, 2026
Parameters
AvailabilityAPI accessOpen weights (restricted use)
Context window1M262K
Price — $/M input$10.00$1.50
Price — $/M output$50.00$7.50
Inputstext, image, filetext, image, file
Outputstexttext
Benchmarks
AIME 2024/2025100%
APEX45%
ARC-AGI99%
ARC-AGI-289%
GPQA Diamond86%75%
Humanity's Last Exam56%14%
SciCode61%40%
SimpleBench82%
SimpleQA Verified71%
WebDev Arena16261265
WeirdML92%44%
τ²-bench99%94%

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.