Meta Muse Spark Open
rank 09 in LLM APIs & models · last updated · get your badge · is this your tool?
numptr says6.0/10
Meta's big open model: brainy in the exam hall, all thumbs in the terminal. bring two Mac Studios and a strong cuppa.
- pricing
- free open weights (Muse Model License)
- Meta lists no API price of its own, hosted prices are set by each partner
- free tier
- open weights under the Muse Model License, which Meta says lets many developers use the model for free
- pricing source
- https://research.meta.ai/blog/muse-spark-open (checked 2026-10-22)
the boring-but-important bits, all sourced. you're welcome.
full specs: meta-muse-spark-open.specs
numptr specs meta-muse-spark-open
- best for
- running a frontier-size open model yourself, or through a hosting partner, for coding agents
- runs
- self-host, or Baseten, Fireworks AI, Groq, Modal, Nebius, OpenRouter, Together AI
- models
- Muse Spark Open (816B, 42B active)
- self-host
- self-host, or Baseten, Fireworks AI, Groq, Modal, Nebius, OpenRouter, Together AI
- official site
- https://research.meta.ai/blog/muse-spark-open
- affiliate / referral
- none found. and no, it doesn't touch the rank.
# checked by numptr, not the vendor's marketing team.
# verified 2026-10-22 · research.meta.ai