Meta releases Muse Wonder model for internal use only

Meta released a new AI model named Muse Wonder, which performs just shy of Opus 5.5 on independent indices. The model is currently available only for internal use within Meta’s Muse app and does not have a public API, meaning external developers cannot integrate it into their own applications. This release marks a significant shift for Meta, which previously focused on open-weight models before fading from the frontier, and now competes with closed-source models. The move follows Meta’s reported $100 billion investment in AI infrastructure. While the model’s performance is strong, the lack of external access limits its immediate business impact, though it is expected to significantly enhance the capabilities of the Muse app, potentially making it a major consumer AI product. The release is viewed as a performative evaluation due to the lack of API access, but there is a material chance Meta has a monster AI product on its hands due to high investment and capabilities.