Ailyre

Model release · Meta

Meta releases Muse Spark Open, an open-weight multimodal model

Model released
Review updated

A sparse MoE natively multimodal model for long-horizon coding and agents. OpenRouter lists about $1.25/M input and $4.25/M output. Released under the Muse Model License with limited commercial terms.

Availability

Open weights on Hugging Face and cloud model gardens under the Muse Model License (limited commercial terms); hosted on Baseten, Fireworks, Groq, Modal, Nebius, OpenRouter, and Together; runs on two M5 Ultra Mac Studios via MLX

Source trace

Reviewed by Ailyre. Source evidence is presented separately from our summary.

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research.meta.ai

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x.com

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x.com

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