Meta Superintelligence Labs opens its first commercial API for a reasoning model with Muse Spark 1.1
Meta Superintelligence Labs launched a public preview of Muse Spark 1.1 on the Meta Model API on July 9, 2026. The multimodal reasoning model carries a 1-million-token context window, costs $1.25 per million input tokens, and accepts both OpenAI and Anthropic SDK integrations.