Changes from previous version
Expands Muse Spark 1 with a 1M-token context window, improved multimodal understanding, and public-preview access for developers building long-running agents.
Release Summary
Meta's updated multimodal reasoning model for coding, tool use, computer interaction, and multi-agent workflows. Muse Spark 1 gains a 1M-token context window and broader availability through the Meta Model API public preview and Meta AI's Thinking mode.
Timeline
July 9, 2026
Muse Spark 1.1 released
Meta releases Muse Spark 1.1 in the Meta Model API public preview and Meta AI's Thinking mode.