Muse Spark 1.3
Meta · Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It improves long-horizon agent collaboration, instruction following, and coding efficiency relative to Muse Spark 1.2.
Key facts
- Provider
- Meta
- Context window
- 1.0M tokens
- Max output
- 131.1K tokens
- Input price
- $1.25 / M tok
- Output price
- $4.25 / M tok
- Knowledge cutoff
- —
- Released
- Sep 2, 2026
- License
- —
Capabilities
ReasoningTool callingStructured outputFile attachmentsTemperature controlOpen weights
Reasoning options
- effort minimal · low · medium · high · xhigh · max
Pricing
USD per million tokens, list API rates.
- Input
- $1.25
- Output
- $4.25
- Cache read
- $0.15
- Cache write
- —
Modalities
- Input
- Text, Image, Video, Pdf, Audio
- Output
- Text