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GPT-5.4 Mini vs Grok 4.5

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GPT-5.4 MiniGrok 4.5
AttributeGPT-5.4 MiniOpenAIGrok 4.5xAI · 2 in the news
Scores
Intelligence (ECI)149154
Coding5989
Math3484
Reasoning & Knowledge3968
Agentic & Tools4574
Specifications
DeveloperOpenAIxAI
FamilyGPTGrok
ReleasedMar 17, 2026Jul 8, 2026
Parameters
AvailabilityAPI accessAPI access
Context window400K500K
Price — $/M input$0.75$2.00
Price — $/M output$4.50$6.00
Inputsfile, image, texttext, image, file
Outputstexttext
Benchmarks
AIME 2024/202587%98%
APEX25%34%
ARC-AGI64%87%
ARC-AGI-219%53%
FrontierMath28%
FrontierMath Tier 42%
GPQA Diamond84%93%
Humanity's Last Exam27%40%
SciCode50%54%
SimpleQA Verified29%54%
WebDev Arena14021551
WeirdML60%46%
τ²-bench83%
SimpleBench70%

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.