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Life & fun · October 15, 2026

Muse Spark Open

The most capable US open weights model to date

Muse Spark Open launched on October 15, 2026 with 85 votes, #202 of 3,169 launches that month and more than 95% of that year's launches.

Visit huggingface.co ↗Muse Spark Open alternativestop 6% of October 2026

What it does

We’re on a journey to advance and democratize artificial intelligence through open source and open science.

1. The above copyright notice and this license and the Usage Policy shall be included in all copies or substantial portions of the Software and Derivatives (defined below). Licensee's use of the Software shall comply with the Usage Policy, which is hereby incorporated into this license and attached hereto as Exhibit A. 2. Licensee shall prominently display "Built with Muse Spark Open" in the user interface of each product or service that uses the Software or any Derivatives, or in the accompanying documentation, website, or settings menu. “Derivatives” means any AI model created, trained, modified (including fine-tuned), distilled, or otherwise improved using the Software or any outputs or…from huggingface.co

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