Muse
Meta's frontier line, served through its own hosted API.
At a glance
Current release
From the release row Muse Spark 1.1. Standard tier for Muse Spark 1.1-1.3, no long-context premium; a Contributor tier ($0.10 / $0.20) lets Meta train on prompts. Meta Model API is in public preview.
Family record: Press release · 5 Sep 2026
Built on it
1 product in this catalogue names this family on their own pages.
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Muse
Meta Platforms
Press release · 23 Sep 2026
Releases
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Muse Spark
First of the Muse family from Meta Superintelligence Labs: a natively multimodal reasoning model with a Contemplating mode, claimed 58% on Humanity's Last Exam; closed, at meta.ai.
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Muse Spark 1.1
1 million token context and gains in tool and computer use, shipped with the Meta Model API public preview; 1.2 (Aug 5, with Muse Code) and 1.3 (Sep 2, 2026) followed.
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Muse Glimmer
First open-weights Muse model: a 30-billion-parameter agentic model under Apache 2.0, sized to run on a single consumer GPU or Mac for always-on local agents.