Meta lists Muse Spark 1.3 for agentic and coding workloads

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Published Wednesday, September 2, 2026 · 5:07 PM EDT

Meta lists Muse Spark 1.3 with a one-million-token context window and two API pricing tiers. Its model page says the system is trained for long-horizon agentic workflows, optimized for competitive coding, and includes native multimodal perception. Meta lists a contributor tier at $0.10 per million input tokens and $0.20 per million output tokens, while a standard tier is priced at $1.25 input and $4.25 output.

Sources

developer.meta.com heise.de

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