Muse Spark 1.1
ECI#33
154Muse Spark 1.1 is a closed-weights model from Meta AI, released July 9, 2026. It has an ECI score of 154 and ranks 33rd of 251 tracked models. At the time of its release, it ranked 17th of 229 tracked models.
Muse Spark 1.1 vs select alternatives
| Domain | Benchmark | Muse Spark 1.1 | |||
|---|---|---|---|---|---|
ECI scoreBest score 167 | 154 | 152 | 154 | 155 | |
| Ranking | #33 | #39 | #32 | #31 | |
| Conceptual reasoning | LMCABest score 65.5 | 49.9 | — | 44.9 | 41.7 |
DTBenchBest score 98% | |||||
| Mathematics | ProofBenchBest score 100% | ||||
| Multimodal | GDP.pdfBest score 31% | ||||
| Science | CritPtBest score 32% | ||||
SciCodeBest score 63% | |||||
| Software engineering | Text Arena (Coding)Best score 1800 | 1542 | 1513 | 1537 | 1580 |
DeepSWE v1.1Best score 74% | |||||
| World knowledge | SimpleQA VerifiedBest score 76% |
