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MODEL SIGNAL · META · NEW

Muse Spark 1.3 Contributor

Muse Spark 1.3 Contributor is a cost-optimized tier of Meta's multimodal reasoning model designed for experimentation, coding, and early-stage agentic workflows.

CATEGORYMultimodal
CONTEXT1048576
RELEASEDSeptember 2, 2026
Key Features
  • 1,048,576-token context window
  • Multimodal reasoning capabilities
  • Cost-efficient API tier
  • Targeted at multi-agent and coding tasks

Provider announcement →

Read the Model Signal report →

The designed Model Signal report for Muse Spark 1.3 Contributor is still in review. It will publish here after the fact and quality gates clear.