Muse Spark
ModelActiveby Meta · family “muse-spark”
Epoch Capabilities Index
152.1 #39 of 268
90% CI 149.9 – 155.7
Released
8 Apr 2026
Context window
Unknown
Max output
Unknown
Input $ / 1M tokens
Unknown
Output $ / 1M tokens
Unknown
Cached input $ / 1M
Unknown
Each benchmark shown separately with its own source
Benchmark results (6)
| Benchmark | Domain | Score | vs best recorded | Setting | Run | Source |
|---|---|---|---|---|---|---|
| ProofBench | math | 17.0% | 17% | — | — | External ↗ |
| FrontierMath-Tier-4-2025-07-01-Privatesuperseded | math | 14.6% ±5.1 | 30% | — | 8 Apr 2026 | Epoch ↗ |
| FrontierMath-2025-02-28-Privatesuperseded | math | 39.0% ±2.9 | 74% | — | 8 Apr 2026 | Epoch ↗ |
| HLE | knowledge | 40.6% | 74% | — | — | External ↗ |
| OTIS Mock AIME 2024-2025 | math | 88.9% ±4.7 | 89% | — | 8 Apr 2026 | Epoch ↗ |
| GPQA diamond | science | 89.8% ±2.2 | 94% | — | 8 Apr 2026 | Epoch ↗ |
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
API list price over time
Price history
$ per 1M tokens
This model has no public API price listing
0 recorded prices on — (OpenRouter listing); re-read on every data refresh, most recently 43m ago. Steps show when the price changed.
Events
- Model launchMajorMeta AI releases Muse SparkEpoch AI Benchmarking Hub