Meta debuts Muse Spark 1.1 — its first paid AI model
Meta released Muse Spark 1.1 July 9, 2026 with Meta Model API public preview (US waitlist). First paid Meta AI model at 4.25/M output; $20 free credits. 1M-token context, agentic tool-use focus, OpenAI/Anthropic SDK compatible at api.meta.ai/v1. Pivots from open Llama to proprietary hosted API. Alexandr Wang: strongest agentic/coding model from Meta Superintelligence Labs. Not on OpenRouter.