Muse Spark Open: benchmarks, price and rank
Muse Spark Open from Meta is 52nd of 123 rated AI models on Spezia's leaderboard.
- 52nd of 123 rated models
- Rating 1,305
- Rated on 6 benchmarks
- Not stated
- Released Oct 15, 2026
Where it is strongest
Not in the top tenth on any benchmark in use.
Where it falls behind
- 49th of 56 on APEX-Agents
- 38th of 69 on ARC-AGI-2
- 55th of 103 on GPQA Diamond
Its headline results
The benchmarks that count most in the rating, with its place among the models measured the same way, and where each number came from.
- APEX-Agents33.4%
Long tasks written by investment banking analysts, management consultants and corporate lawyers from their own work, done across files and apps in a realistic work setup.
49th of 56. Independent result from Epoch AI.
- SimpleQA Verified56.6%
Short factual questions with one checked answer, asked without web search.
23rd of 78. Independent result from Epoch AI.
- FrontierMath69.8%
Hundreds of new, unpublished math problems written by mathematicians, from hard undergraduate level up to research, with answers a computer can check.
32nd of 76. Independent result from Epoch AI.
- GPQA Diamond88.6%
Graduate-level questions in biology, physics and chemistry, written by PhDs so that searching the web does not give the answer away.
55th of 103. Independent result from Epoch AI.
- ARC-AGI-257.5%
Visual puzzles of colored grids, each with a new rule to work out from a few examples.
38th of 69. Independent result from Epoch AI.
- FrontierMath Tier 431.7%
Research-level problems that take professional mathematicians days.
33rd of 66. Independent result from Epoch AI.
Its full profile is in Spezia.
Every result with its source, what it costs per task, what jumped with its release, side by side with any other model, and answers to your questions about when to use it.
Models ranked near it
How the rating works, and every benchmark it uses: the model leaderboard.