Muse Spark 1.2
- Context
- 1.05M
- 131K max output
- Input price
- $1.25
- per 1M tokens · Meta AI API
- Output price
- $4.25
- per 1M tokens
- Epoch Capabilities Index
- 155.2
- #26 of 71 listed
- LMArena Text
- 1,496
- #6 of 79 listed
Where to run it
1 offering · prices as listed| Meter | Tier | Price |
|---|---|---|
| Input | Standard | $1.25 / 1M tokens |
| Output | Standard | $4.25 / 1M tokens |
| Cache read | Standard | $0.15 / 1M tokens |
Vendor-reported scores
Published by Meta, under the conditions it states| Benchmark | Setting | Score |
|---|---|---|
| Terminal-Bench 2.1 | xhigh reasoning effort, Muse Code harness, 89 tasks, pass@1 averaged over 5 attempts | 82.9% |
| DeepSWE 1.1 | xhigh reasoning effort, Muse Code harness, pass@1 averaged over 5 attempts | 59.3% |
Cited scores
From third-party leaderboards, not measured by us- Epoch Capabilities Index 155.2
#26 of 71 listed models · CI 153.2–158.1
Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made
- LMArena Text 1,496
#6 of 79 listed models · xhigh effort · CI 1,486–1,506 · 3,422 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- LMArena Text · Chinese 1,526
#20 of 79 listed models · xhigh effort · CI 1,491–1,561 · 296 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- LMArena Text · Coding 1,535
#8 of 79 listed models · xhigh effort · CI 1,516–1,554 · 990 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- LMArena Vision 1,304
#9 of 49 listed models · xhigh effort · CI 1,289–1,319 · 1,841 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 13, 2026 · changes we made