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Muse Spark

#9of 28 · general

Muse Spark 1.3

1Mcontext
$1.25 / $4.25per 1M in / out
2026-09-02released
50100Coding 47 · #12 of 28Agents 51 · #12 of 29Cyber 34 · #6 of 24Engineering 51 · #9 of 26Math 53 · #8 of 26Health 58 · #8 of 24 · 49% of the recipeLegal 73 · #5 of 27Professional 75 · #5 of 28Writing 53 · #8 of 21Instruct 81 · #3 of 25Hallucination 39 · #14 of 26Multimodal 52 · #10 of 24
Coding47#12
Agents51#12
Cyber34#6
Engineering51#9
Math53#8
Health58#8
Legal73#5
Professional75#5
Writing53#8
Instruct81#3
Hallucination39#14
Multimodal52#10

History

ECI150152154156158Apr 2026Jul 2026Muse Spark · no price on record · 2026-04-08 · still served · Epoch Capabilities Index 152.0 ECI pointsMuse Spark 1.1 · $1.25/M in · 2026-07-09 · still served · Epoch Capabilities Index 154.1 ECI pointsMuse Spark 1.2 · $1.25/M in · 2026-08-05 · still served · Epoch Capabilities Index 155.1 ECI pointsMuse Spark 1.3 · $1.25/M in · 2026-09-02 · still served · Epoch Capabilities Index 157.2 ECI points1.21.1Muse Spark
  • Meta AI
  • older → newer
$ / M input tokens4 of 176 priced models · price is a third-party claim, not a vendor quote

Effort

Muse Spark 1.3
% of best score4060801000.2×0.5×1×× the best effort’s cost · log scaleMinLowMedHighXhighMax

Measured

≈ imputed · amber dot = lab-self-reported among the sources
HLE48.7%#12Artificial Analysis
LiveBench81.6%#5LiveBench
SciCode59.7%#8Artificial AnalysisEpoch AI
CritPt26.0%#9Artificial AnalysisEpoch AI
Terminal-Bench79.0%#6Vals.ai
APEX Agents58.6%#8Epoch AI
GDPval59.0%#7Artificial Analysis
Arena1494#5Arena
AA Index48.1#9Artificial Analysis
Vals Index58.2#9Vals.ai
Epoch Capabilities Index157.2#10Epoch AI

Neighbors

Gemini Flash→ near-twinMuse Wonder→ looser instructions · pricierGemini Argon→ stronger agent · pricierGLM→ looser instructionsGrok→ looser instructions · pricier