Meta launches Muse Spark 1.1 and makes it available to developers through a public preview on the Meta Model API. According to reporting from Channel NewsAsia and The Hindu, the preview is aimed at developers and is accessible in the United States. The release allows developers to test the model using prompts, compare outputs across runs or variants, and prototype how the model could be integrated into applications. The materials indicate that developers can use the API to experiment with the model during the preview period rather than waiting for general availability. The sources do not provide additional details such as pricing, full rollout timelines, or specific performance metrics, focusing instead on access and the ability to evaluate the model’s behavior and integration possibilities. Overall, both outlets describe the same core update: Muse Spark 1.1 is introduced by Meta, and its preview access is provided through the Meta Model API for eligible developers in the US.