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Grok 4.6 vs Mistral Medium 3.5

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Grok 4.6Mistral Medium 3.5
AttributeGrok 4.6xAI · 2 in the newsMistral Medium 3.5Mistral AI · 3 in the news
Scores
Intelligence (ECI)156141
Coding9219
Math92
Reasoning & Knowledge7318
Agentic & Tools8475
Specifications
DeveloperxAIMistral AI
FamilyGrokMistral
ReleasedAug 12, 2026Apr 28, 2026
Parameters
AvailabilityAPI accessOpen weights (restricted use)
Context window500K262K
Price — $/M input$2.00$1.50
Price — $/M output$6.00$7.50
Inputstext, image, filetext, image, file
Outputstexttext
Benchmarks
AIME 2024/202599%
APEX41%
ARC-AGI88%
ARC-AGI-267%
GPQA Diamond94%75%
Humanity's Last Exam43%14%
SciCode56%40%
SimpleBench76%
SimpleQA Verified49%
WebDev Arena16291265
WeirdML67%44%
τ²-bench94%

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.