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AI model · Meta

Muse Spark 1.3

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...

The figures

Made by
Meta
Model ID
meta/muse-spark-1.3
Input
$1.25 per million tokens
Output
$4.25 per million tokens
Context window
1.05M tokens
Longest answer
944K tokens
Takes in
text, image, video, file
Gives back
text
Reasoning
Yes
Tool calling
Yes
Reads images
Yes
Open weights
No
Released
2 Sept 2026

Read on 3 Oct 2026.