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GPT-6 Astra vs Muse Spark 1.2

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GPT-6 AstraMuse Spark 1.2
AttributeGPT-6 AstraOpenAI · 46 in the newsMuse Spark 1.2Meta AI · 1 in the news
Scores
Intelligence (ECI)169156
Coding9377
Math91—
Reasoning & Knowledge9872
Agentic & Tools9044
Specifications
DeveloperOpenAIMeta AI
FamilyGPT—
ReleasedSep 3, 2026Aug 5, 2026
Parameters——
AvailabilityAPI accessAPI access
Context window1.1M1M
Price — $/M input$10.00$1.25
Price — $/M output$50.00$4.25
Inputsfile, image, texttext, image, video, file
Outputstexttext
Benchmarks
AIME 2024/2025100%—
APEX65%36%
ARC-AGI99%—
ARC-AGI-295%—
GPQA Diamond96%90%
GSO (code optimization)79%—
Humanity's Last Exam55%46%
SciCode56%57%
SimpleQA Verified76%60%
WebDev Arena18001534
WeirdML94%60%
SimpleBench—75%

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.