Meta
Chat with Muse Spark Open for free
Muse Spark Open is an open-weights multimodal reasoning model for coding and agentic work, with 1M context.
Provider
Meta
Tier
Available on the free plan, no card required
Specs
- Context window
- 1.05M tokens
- Reasoning
- Yes
- Web search
- Yes
Ideas to try
Step through a tough problem
Work through this carefully, show your reasoning, and state your confidence at the end:
Find the flaw
Here is an argument. Find weak points, hidden assumptions, and a stronger alternative:
Research with sources
Research the latest on [topic]. Summarize key facts and note what is still uncertain.
Compare options today
Compare the current options for [category]. What changed recently, and what would you pick for a careful buyer?
Other models to try
FAQ
Muse Spark Open FAQ
Ready to chat with Muse Spark Open?
Start for free, switch models instantly, upgrade only when you need more.