Muse Spark Open — Free AI Chat on Rewind.ai
Chat with Muse Spark Open for free — no signup, no credit card. Meta's Muse Spark Open runs in your browser on Rewind.ai, with pay-as-you-go tokens and full API access.
What is Muse Spark Open?
Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and deep codebase understanding across the repos developers.
How does Muse Spark Open work?
Type your message in the box above and Muse Spark Open replies instantly — no setup required. Your chat history is saved locally in your browser; sign up free to sync it across devices and get an extra 10,000 tokens. You can switch between Muse Spark Open and other models at any time from the picker at the top.
Is Muse Spark Open free?
Muse Spark Open is a premium model: it runs on tokens from a token pack or paid plan (from $5). The free daily tokens (2,500 a day, 5,000 with a free account) cover Rewind's free models, so you can try the site at no cost.