Muse Spark 1.2
- In Input modalities: TextImageVideoPDFAudio Out Output modalities: Text
- Reasoning· minimal, low, medium, high, xhigh
- Tool use
- Structured output
Prices
1 offering · prices as listedmuse-spark-1.2| Conditions/ 1M tokens | Input | Cache read | Output |
|---|---|---|---|
| Standard | $1.25 | $0.15 | $4.25 |
Prices from Meta Model API pricing and rate limits (opens in a new tab) (checked Nov 8, 2026)
Standard: the price a request with no conditions pays (the headline price elsewhere on the site).
Details
- Open weights
- —
- Family
- muse-spark
- Model ID
Not stated on Meta’s pages: max input, reasoning can be off, max thinking budget, built-in tools, knowledge cutoff, aliases.
Cited scores
From third-party leaderboards, not measured by us- Epoch Capabilities Index 155.1
#43 of 118 listed models · CI 152.7–157.5
- LMArena Text 1,494
#11 of 163 listed models · xhigh effort · CI 1,488–1,500 · 14,561 votes
- Epoch AI · Chess Puzzles 27%
#50 of 85 listed models · xhigh effort · ±4.46
- Epoch AI · SimpleQA Verified 60.3%
#16 of 84 listed models · xhigh effort · ±1.55
- Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Nov 4 – 5, 2026
- LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Nov 8, 2026
- EQ-Bench by Samuel J. Paech (eqbench.com; EQ-bench/EQ-bench-site on GitHub), MIT License. · License · as of Oct 28, 2026
- LiveBench (White et al.), release 2026-06-25, livebench.ai, licensed CC BY-SA 4.0. This board, adapted from it, is shared under CC BY-SA 4.0. · License · as of Jun 25, 2026
- changes we made
Provider-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% |
Changes
All changes →No changes recorded yet.
Sources
- Introducing Muse Code and Muse Spark 1.2 (Meta AI Research) (opens in a new tab) research.meta.ai · checked Sep 26, 2026
- Meta Model API models (opens in a new tab) dev.meta.ai · checked Nov 8, 2026
- Meta Model API: reasoning (opens in a new tab) dev.meta.ai · checked Nov 8, 2026
- Meta Model API pricing and rate limits (opens in a new tab) dev.meta.ai · checked Nov 8, 2026
- Build with Muse Code (Meta developer blog) (opens in a new tab) research.meta.ai · checked Nov 4, 2026
- models.dev: muse-spark-1.2 (community data, MIT) (opens in a new tab) github.com · checked Sep 30, 2026
Meta’s official policies: data use, privacy, terms →
Some values on this page are still waiting to be checked against official pages: a filled dot is verified, a hollow one is not yet (with or without a source on file). How we verify data
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