Meta launches paid Muse Spark 1.1 API to compete with OpenAI, Anthropic

Meta’s first paid developer API for Muse Spark 1.1. Zuckerberg cited ~25% of Anthropic/OpenAI comparable pricing. April Muse Spark (Avocado) was closed partner preview; 1.1 adds public waitlist. Coding improved from initial release weakness. Distribution confined to Meta properties, not third-party marketplaces.