AI model · Meta
Muse Spark 1.3
Model ID: meta/muse-spark-1.3
- Input
- $1.25 per 1M tokens
- Output
- $4.25 per 1M tokens
- Context
- 1M tokens at once
- Max output
- 944K tokens per reply
- Released
- 2 Sep 2026 Meta
What it can do
- YesReasoning
- YesTool calling
- YesImage input
- NoOpen weights
- NoFree to use
Takes text, image, video, file; gives text.
How its listing describes it
Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended tasks, work through...
Sources
- Meta: Muse Spark 1.3 on OpenRouter — read 2 Oct 2026