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Grok 4.5 vs Grok 4.6

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Grok 4.5Grok 4.6
AttributeGrok 4.5xAI · 2 in the newsGrok 4.6xAI · 1 in the news
Scores
Intelligence (ECI)154156
Coding8691
Math8493
Reasoning & Knowledge6576
Agentic & Tools7089
Specifications
DeveloperxAIxAI
FamilyGrokGrok
ReleasedJul 8, 2026Aug 12, 2026
Parameters
AvailabilityAPI accessAPI access
Context window500K500K
Price — $/M input$2.00$2.00
Price — $/M output$6.00$6.00
Inputstext, image, filetext, image, file
Outputstexttext
Benchmarks
AIME 2024/202598%99%
APEX34%41%
ARC-AGI87%88%
ARC-AGI-253%67%
GPQA Diamond93%94%
Humanity's Last Exam43%43%
SciCode54%54%
SimpleBench70%
SimpleQA Verified54%54%
WebDev Arena15511631
WeirdML46%67%

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.

Grok 4.5 vs Grok 4.6 — comparison