Muse Spark

Meta

Verified against Artificial Analysis · Jul 13, 2026

Capability

percentile index

Price /M

$0 / $0

in / out

Context

—

Avg score

66.1

7 benchmarks

AA Intelligence

43.1

index

Weights

Closed

Released

Apr 8, 2026

About

Muse Spark is a proprietary model in the Muse family from Meta. Benchmarked on 7 evals, averaging 66.1.

Benchmark scores · 7

avg 66.1 — higher is better

τ²-benchartificial-analysis · 2026-07

91.5

GPQA Diamondartificial-analysis · 2026-07

88.4

IFBenchartificial-analysis · 2026-07

75.9

AA Long-Context Reasoningartificial-analysis · 2026-07

69.7

SciCodeartificial-analysis · 2026-07

51.5

Terminal-Bench Hardartificial-analysis · 2026-07

45.5

Humanity's Last Examartificial-analysis · 2026-07

39.9

Details

PublisherMeta

FamilyMuse

Parameters—

License—

WeightsClosed

ReleasedApr 8, 2026

Performance & price

Price in / out$0 / $0 per 1M

Coding index58.6

Median across API providers, via Artificial Analysis. Blended = 3:1 input:output. For reasoning models, latency includes thinking time. Methodology →

History

full ledger →

Capability over time

Append-only ledger — every observed change to this model's numbers.

API providers

Artificial Analysis$0/M