Muse Spark
ECI#39
152Muse Spark is a closed-weights model from Meta AI, released April 8, 2026. It has an ECI score of 152 and ranks 39th of 251 tracked models. At the time of its release, it ranked 10th of 201 tracked models.
Muse Spark vs select alternatives
| Domain | Benchmark | Muse Spark | |||
|---|---|---|---|---|---|
ECI scoreBest score 167 | 152 | 132 | 152 | 152 | |
| Ranking | #39 | #146 | #40 | #38 | |
| Mathematics | OTIS Mock AIME 2024-2025Best score 100% | ||||
ProofBenchBest score 100% | |||||
| Science | CritPtBest score 32% | ||||
Humanity's Last ExamBest score 55% | |||||
SciCodeBest score 63% | |||||
GPQA DiamondBest score 96% | |||||
| Software engineering | Text Arena (Coding)Best score 1800 | 1513 | — | 1374 | 1521 |
