Muse Spark
ECI#51
152Muse Spark is a closed-weights model from Meta AI, released April 8, 2026. It has an ECI score of 152 and ranks 51st of 253 tracked models. At the time of its release, it ranked 11th of 192 tracked models.
Muse Spark vs select alternatives
| Domain | Benchmark | Muse Spark | |||
|---|---|---|---|---|---|
ECI scoreBest score 169 | 152 | 132 | 152 | 153 | |
| Ranking | #51 | #155 | #50 | #49 | |
| Mathematics | OTIS Mock AIME 2024-2025Best score 100% | ||||
ProofBenchBest score 100% | |||||
| Science | CritPt v1Best score 32% | ||||
Humanity's Last ExamBest score 55% | |||||
SciCodeBest score 67% | |||||
GPQA DiamondBest score 96% | |||||
| Software engineering | Text Arena (Coding)Best score 1820 | 1513 | — | 1374 | 1521 |
