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Gemini 3.1 Pro vs Grok 4.5

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Gemini 3.1 ProGrok 4.5
AttributeGemini 3.1 ProGoogle DeepMind · 3 in the newsGrok 4.5xAI · 4 in the news
Scores
Intelligence (ECI)155
Coding6893
Math76
Reasoning & Knowledge9692
Agentic & Tools88
Specifications
DeveloperGoogle DeepMindxAI
FamilyGeminiGrok
ReleasedFeb 19, 2026Jul 8, 2026
Parameters
AvailabilityAPI access
Context window500K
Price — $/M input$2.00
Price — $/M output$6.00
Inputstext, image, file
Outputstext
Benchmarks
AIME 2024/202596%
APEX34%
ARC-AGI98%
ARC-AGI-277%
FrontierMath37%
FrontierMath Tier 417%
GPQA Diamond94%93%
GSO (code optimization)23%
Humanity's Last Exam46%40%
METR task horizon6.4 h
SimpleBench80%
SimpleQA Verified77%
SWE-bench Verified76%
Terminal-Bench80%
WebDev Arena1461
WeirdML72%
SciCode54%

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.