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Gemini 3.1 Pro vs GPT-5.4 Mini

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Gemini 3.1 ProGPT-5.4 Mini
AttributeGemini 3.1 ProGoogle DeepMind · 3 in the newsGPT-5.4 MiniOpenAI
Scores
Intelligence (ECI)155149
Coding6259
Math7234
Reasoning & Knowledge9439
Agentic & Tools8145
Specifications
DeveloperGoogle DeepMindOpenAI
FamilyGeminiGPT
ReleasedFeb 19, 2026Mar 17, 2026
Parameters
AvailabilityAPI accessAPI access
Context window400K
Price — $/M input$0.75
Price — $/M output$4.50
Inputsfile, image, text
Outputstext
Benchmarks
AIME 2024/202596%87%
APEX34%25%
ARC-AGI98%64%
ARC-AGI-277%19%
FrontierMath37%28%
FrontierMath Tier 417%2%
GPQA Diamond94%84%
GSO (code optimization)23%
Humanity's Last Exam46%27%
METR task horizon6.4 h
SimpleBench80%
SimpleQA Verified77%29%
SWE-bench Verified76%
Terminal-Bench80%
WebDev Arena14611402
WeirdML72%60%
SciCode50%
τ²-bench83%

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.