Muse Spark
ECI#53
153Muse Spark is a closed-weights model from Meta AI, released April 8, 2026. It has an ECI score of 153 and ranks 53rd of 240 tracked models. At the time of its release, it ranked 7th of 174 tracked models.
Muse Spark vs select alternatives
| Domain | Benchmark | Muse Spark | |||
|---|---|---|---|---|---|
ECI scoreBest score 173 | 153 | 132 | 153 | 152 | |
| Ranking | #53 | #153 | #56 | #60 | |
| Mathematics | OTIS Mock AIME 2024-2025Best score 100% | ||||
ProofBenchBest score 100% | |||||
| Science | CritPt v1Best score 36% | ||||
Humanity's Last ExamBest score 55% | |||||
SciCodeBest score 68% | |||||
GPQA DiamondBest score 97% | |||||
| Software engineering | Text Arena (Coding)Best score 1820 | 1513 | — | 1521 | 1374 |
