Muse Spark
Creator
Meta AI (FAIR)
Released
2026-04-08
Intelligence
43.1
Artificial Analysis Index
Coding
58.6
Artificial Analysis Index
In $/1M
$0.00
input tokens
Out $/1M
$0.00
output tokens
Blended $/1M
$0.00
3:1 blended
Speed
0
tokens / sec
Profile
License, openness, and modality — the governance layer.
License
Proprietary
non-commercial
Weights
Closed
API only
Modalities
—
Parameters
—
Muse Spark is the first model in the Muse family developed by Meta Superintelligence Labs. It is a natively multimodal reasoning model with support for tool-use, visual chain of thought, and multi-agent orchestration. It features a Contemplating mode that orchestrates multiple agents reasoning in parallel. It demonstrates competitive performance in multimodal perception, reasoning, health, and agentic tasks, with Contemplating mode achieving 58% on Humanity's Last Exam and 38% on FrontierScience Research.
Capability profile
Category strength across 20 domains, via LLM Stats.
Benchmark breakdown
Independent evaluation scores, normalized to 0–100.