Muse Spark 1.3 Free
Muse Spark 1.3 is a multimodal reasoning model from Meta for coding and agentic workflows.
Model facts
- Context window
- 1.05M tokens
- Maximum output
- 131K tokens
- Cheapest paid input
- free per 1M tokens
- Cheapest paid output
- free per 1M tokens
- Open weights
- no
- Providers
- 1
Capabilities and modalities
reasoning, tool calling, structured output, attachments, temperature control, text, image, audio, video, pdf.
Observed price history
- 2026-09-03: free input / free output per 1M tokens
API providers
- OpenCode Zen — model id muse-spark-1.3-contributor-free; free input / free output per 1M tokens; provider documentation