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Kimi K2.6 vs Muse Spark
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Scores
Intelligence (ECI)151155
Coding7984
Math7669
Reasoning & Knowledge6886
Agentic & Tools8762
Specifications
DeveloperMoonshotMeta AI
FamilyKimi—
ReleasedApr 20, 2026Apr 8, 2026
Parameters1T—
AvailabilityOpen weights (unrestricted)API access
Context window262K—
Price — $/M input$0.55—
Price — $/M output$3.20—
Inputstext, image—
Outputstext—
Benchmarks
AIME 2024/202596%89%
FrontierMath39%39%
FrontierMath Tier 415%15%
GPQA Diamond91%90%
Humanity's Last Exam36%41%
SciCode54%52%
SimpleQA Verified39%66%
SWE-bench Verified77%—
WebDev Arena15261513
WeirdML56%—
τ²-bench96%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.