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GPT-5 vs Muse Spark

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GPT-5Muse Spark
AttributeGPT-5OpenAI · 41 in the newsMuse SparkMeta AI · 2 in the news
Scores
Intelligence (ECI)150153
Coding4276
Math6864
Reasoning & Knowledge5482
Agentic & Tools3263
Specifications
DeveloperOpenAIMeta AI
FamilyGPT
ReleasedAug 7, 2025Apr 8, 2026
Parameters
AvailabilityAPI accessAPI access
Context window400K
Price — $/M input$1.25
Price — $/M output$10.00
Inputstext, image, file
Outputstext
Benchmarks
AIME 2024/202591%89%
APEX18%
ARC-AGI66%
ARC-AGI-210%
FrontierMath32%39%
FrontierMath Tier 413%15%
GDPval (win/tie rate)38%
GPQA Diamond86%90%
GSO (code optimization)7%
Humanity's Last Exam25%41%
LiveCodeBench85%
MATH Level 598%
METR task horizon3.4 h
MMLU-Pro87%
SciCode43%52%
SimpleBench57%
SimpleQA Verified51%66%
SWE-bench Verified74%
Terminal-Bench50%
WebDev Arena13951513
WeirdML61%
τ²-bench85%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.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.