Muse Spark 1.3 (xhigh)
ModelActiveby Meta · family “muse-spark-xhigh”
Epoch Capabilities Index
Not scored by Epoch AI
Released
2 Sep 2026
Context window
Unknown
Max output
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Input $ / 1M tokens
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Output $ / 1M tokens
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Cached input $ / 1M
Unknown
Each benchmark shown separately with its own source
Benchmark results (5)
| Benchmark | Domain | Score | vs best recorded | Setting | Run | Source |
|---|---|---|---|---|---|---|
| Mystery Game Puzzles | games | 14.1% ±3.5 | 17% | xhigh | 16 Sep 2026 | Epoch ↗ |
| FrontierMath-Tiers-1-3-v2-Private | math | 74.4% ±2.6 | 79% | xhigh | 16 Sep 2026 | Epoch ↗ |
| FrontierMath-Tier-4-v2-Private | math | 41.5% ±7.8 | 42% | xhigh | 16 Sep 2026 | Epoch ↗ |
| Chess Puzzles | games | 35.0% ±4.8 | 49% | xhigh | 16 Sep 2026 | Epoch ↗ |
| OTIS Mock AIME 2024-2025 | math | 99.2% ±0.6 | 99% | xhigh | 17 Sep 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
No data recorded for this period
0 observations (OpenRouter listing). History accumulates with every ingest run; a single point means no change has been observed yet.
Events
- Benchmark12d agoEpoch AI evaluates Muse Spark 1.3 (xhigh)Epoch AI Benchmarking Hub
- Benchmark13d agoEpoch AI evaluates Muse Spark 1.3 (xhigh)Epoch AI Benchmarking Hub
- Model launch27d agoMeta AI releases Muse Spark 1.3 (xhigh)Epoch AI Benchmarking Hub