Meta launches paid API for Muse Spark 1.1 AI model

Meta Platforms released a major update to its artificial intelligence model and opened it to external developers for the first time on Thursday, July 9, 2026, marking a significant strategic shift for the company. The social media giant launched Muse Spark 1.1, an upgraded version of its reasoning and coding model, and made it available through a new paid API, directly entering the competitive market for commercial AI model access.

The new Meta Model API is now in a public preview for developers in the United States. The company is offering $20 in free credits for new accounts, after which usage will transition to a pay-as-you-go structure priced at $1.25 per million input tokens and $4.25 per million output tokens. This pricing positions the model between lower-cost and premium offerings from rivals like OpenAI and Anthropic. Company officials described the pricing as aggressive and attractive.

Muse Spark 1.1 represents a substantial update from the initial Muse Spark model, which debuted in April as the first AI model from Meta's internal Superintelligence Labs. The company says the new version shows major improvements, particularly in advanced coding tasks like understanding...