MetaReleased on Apr 8, 2026

Muse Spark: Benchmarks, Pricing & Context Window

Muse Spark is a language model from Meta, released in April 2026, with multimodal input.

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

Muse Spark API

API access coming soon

Muse Spark will be available through our gateway shortly.

Muse Spark examples

Recent arena outputs from Muse Spark, picked from the highest-ranked matchups.

Muse Spark license

Muse Spark is released under the Proprietary license, which restricts commercial use.

License
Proprietary
Non-commercial

Proprietary license - usage restrictions apply

FAQ

Common questions about Muse Spark.

When was Muse Spark released?

Muse Spark was released on April 8, 2026 by Meta. This is the official Muse Spark release date tracked on LLM Stats.

Who created Muse Spark?

Muse Spark was created by Meta.

What is the license for Muse Spark?

Muse Spark is released under the Proprietary license.

Is Muse Spark multimodal?

Yes, Muse Spark is multimodal and can accept both text and images as input.

Where is the Muse Spark paper or technical report?

Muse Spark has a paper or technical report available at https://ai.meta.com/blog/introducing-muse-spark-msl/. Use that source for architecture, training, release and evaluation details.