Model identifier: muse-spark-1.3.
Meta hosted model for agentic workflows, coding and multimodal understanding.
Standard Meta Model API: $1.25 input / $4.25 output per million tokens; no long-context premium. Pricing: https://dev.meta.ai/docs/pricing-rate-limits . Contributor API ID muse-spark-1.3-contributor costs $0.10 input / $0.20 output per million tokens and permits training on submitted content. Muse Code access also available.
Official model documentation: https://dev.meta.ai/docs/models Researched on 23 October 2026. Undocumented specifications are omitted.