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Muse Spark vs Step 3.7 Flash

Muse Spark (Meta AI) and Step 3.7 Flash (StepFun) compared on benchmarks, pricing, context window, and use-case rankings.

Muse Spark ranks higher for coding (84th vs 32th percentile).

Muse SparkMeta AIStep 3.7 FlashStepFun

Scores

Intelligence (ECI)155—

Coding8432

Math69—

Reasoning & Knowledge8635

Agentic & Tools6297

Specifications

DeveloperMeta AIStepFun

Family——

ReleasedApr 8, 2026May 28, 2026

Parameters——

AvailabilityAPI access—

Context window—256K

Price — $/M input—$0.20

Price — $/M output—$1.15

Inputs—text, image, video

Outputs—text

Benchmarks

AIME 2024/202589%—

FrontierMath39%—

FrontierMath Tier 415%—

GPQA Diamond90%81%

Humanity's Last Exam41%20%

SciCode52%40%

SimpleQA Verified66%—

WebDev Arena1513—

τ²-bench92%99%

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.

Frequently asked questions

Which is better for coding, Muse Spark or Step 3.7 Flash?

Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Muse Spark ranks higher — 84th vs 32th percentile among the models tracked on Model Beat.

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