Muse Spark Open

Muse Spark Open is a recently tracked product, model, or tool in public channels. The radar excerpt reads:

Meta official Oct 15: open weights for Muse Spark Open — 816B-A42B multimodal MoE, 1M context, coding/agentic; runs on two M5 Ultra Mac Studios via MLX. HF meta-models/Muse-Spark-Open-816B-A42B (+NVFP4); @testingcatalog 101 likes / 7.2k impr; Alexandr Wang quote ~244 likes / 16.7k. Distinct from already-tracked Muse / Muse Wonder.

The recorded source label is X+Web+Hugging Face. Use the public URL below to verify the original post or page.

Based only on the excerpt, Muse Spark Open should be understood from the facts stated there. This write-up does not invent funding amounts, model sizes, or leaderboard scores that are absent from the excerpt or URL metadata.

Confirmable points from the excerpt:

• Meta official Oct 15: open weights for Muse Spark Open — 816B-A42B multimodal MoE, 1M context, coding/agentic; runs on two M5 Ultra Mac Studios via MLX.

• HF meta-models/Muse-Spark-Open-816B-A42B (+NVFP4); @testingcatalog 101 likes / 7.2k impr; Alexandr Wang quote ~244 likes / 16.7k.

• Distinct from already-tracked Muse / Muse Wonder.

The radar score for this entry is 0.95 (an internal ranking field, not a third-party benchmark score).

To learn more or try Muse Spark Open, start from public sources:

1. Open the source link: https://research.meta.ai/blog/muse-spark-open and check the official description and availability.

2. Follow any access path mentioned in the excerpt (API, open weights, waitlist, in-product entry) using official instructions.

3. Before production use, verify license terms, regional availability, and safety limits yourself; do not assume quotas, prices, or eval scores that the excerpt does not state.