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Claude Haiku 4.5 vs GPT-6 Astra

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Claude Haiku 4.5GPT-6 Astra
AttributeClaude Haiku 4.5Anthropic · 1 in the newsGPT-6 AstraOpenAI · 25 in the news
Scores
Intelligence (ECI)142169
Coding1794
Math795
Reasoning & Knowledge899
Agentic & Tools1593
Specifications
DeveloperAnthropicOpenAI
FamilyClaudeGPT
ReleasedOct 15, 2025Sep 3, 2026
Parameters
AvailabilityAPI accessAPI access
Context window200K1.1M
Price — $/M input$1.00$10.00
Price — $/M output$5.00$50.00
Inputstext, image, filefile, image, text
Outputstexttext
Benchmarks
AIME 2024/202567%100%
APEX9%65%
ARC-AGI48%99%
ARC-AGI-24%95%
FrontierMath6%
FrontierMath Tier 42%
GPQA Diamond71%96%
MATH Level 596%
SimpleQA Verified13%76%
Terminal-Bench36%
WebDev Arena13271800
WeirdML45%94%
Humanity's Last Exam55%
SciCode56%

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.