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Claude Sonnet 5 vs Muse Spark
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Scores
Intelligence (ECI)—155
Coding9484
Math—69
Reasoning & Knowledge8886
Agentic & Tools—62
Specifications
DeveloperAnthropicMeta AI
FamilyClaude—
ReleasedJun 30, 2026Apr 8, 2026
Parameters——
Availability—API access
Context window1M—
Price — $/M input$2.00—
Price — $/M output$10.00—
Inputstext, image, file—
Outputstext—
Benchmarks
GPQA Diamond91%90%
Humanity's Last Exam40%41%
SciCode54%52%
AIME 2024/2025—89%
FrontierMath—39%
FrontierMath Tier 4—15%
SimpleQA Verified—66%
WebDev Arena—1513
τ²-bench—92%
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.