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Claude Haiku 4.5 vs Grok 4.6

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Claude Haiku 4.5Grok 4.6
AttributeClaude Haiku 4.5Anthropic · 1 in the newsGrok 4.6xAI · 3 in the news
Scores
Intelligence (ECI)142156
Coding1790
Math791
Reasoning & Knowledge873
Agentic & Tools1595
Specifications
DeveloperAnthropicxAI
FamilyClaudeGrok
ReleasedOct 15, 2025Aug 12, 2026
Parameters
AvailabilityAPI accessAPI access
Context window200K500K
Price — $/M input$1.00$2.00
Price — $/M output$5.00$6.00
Inputstext, image, filetext, image, file
Outputstexttext
Benchmarks
AIME 2024/202567%99%
APEX9%65%
ARC-AGI48%88%
ARC-AGI-24%67%
FrontierMath6%
FrontierMath Tier 42%
GPQA Diamond71%94%
MATH Level 596%
SimpleQA Verified13%49%
Terminal-Bench36%
WebDev Arena13271618
WeirdML45%67%
Humanity's Last Exam43%
SciCode56%
SimpleBench76%

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.