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Claude Opus 4.8 vs Qwen3.5-27B
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Scores
Intelligence (ECI)157—
Coding9324
Math91—
Reasoning & Knowledge7516
Agentic & Tools94—
Specifications
DeveloperAnthropicAlibaba
FamilyClaudeQwen
ReleasedMay 28, 2026Feb 24, 2026
Parameters——
AvailabilityAPI accessOpen weights (restricted use)
Context window1M262K
Price — $/M input$5.00$0.20
Price — $/M output$25.00$1.56
Inputstext, image, filetext, image, video
Outputstexttext
Benchmarks
AIME 2024/202598%—
APEX43%—
ARC-AGI93%—
ARC-AGI-272%—
FrontierMath47%—
FrontierMath Tier 431%—
GPQA Diamond91%—
SimpleBench65%—
SimpleQA Verified40%—
WebDev Arena15521357
WeirdML83%40%
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.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.