LaunchAI ModelsOctober 16, 2026

Meta releases Muse Spark Open, 816B open-weight MoE model

Read original source →latent.space

Muse Spark Open is an 816B-total / 42B-active MoE with a 1M-token context window, accepting text, image, video and audio input. Weights ship under a custom Muse Model License requiring attribution and a separate deal for Model-as-a-Service businesses over $20M revenue.

People · Jack Rae, Nathan Lambert

1 source

More stories today

Open the live feed