muse-sparkMuse Spark is Meta AI’s proprietary AI model, released Apr 8, 2026. Its strongest use case is reasoning & knowledge, where it ranks in the 84th percentile of the models Model Beat tracks.
Scores on standardized evaluations. Higher is better — and rank shows where Muse Spark lands among all models tracked on Model Beat.
Graduate-level scientific reasoning
Frontier of human expert knowledge
Factual accuracy & hallucination
Scientific research coding
Human-rated web development
Olympiad-qualifier math
Research-level math problems
Hardest research math
Tool-agent-user reliability
Muse Spark is an AI model, from Meta AI, released Apr 8, 2026.
Muse Spark is an AI model developed by Meta AI, released Apr 8, 2026.
On standardized evaluations tracked by Epoch AI, Muse Spark scores 40.6% on Humanity's Last Exam, 66.3% on SimpleQA Verified, 51.5% on SciCode.
Muse Spark is a proprietary model (API access), available through its provider's API rather than as a downloadable open-weight model.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Jul 30, 2026.