Meta has delayed the release of its larger generative AI model, Llama 4 Behemoth, from its original April launch to an unspecified date in the fall. The model’s multiple delays, reported by The Wall Street Journal, come as critics inside and outside of Meta question whether large generative AI models have reached a performance plateau.

Meta reportedly has pushed back the release of its Behemoth large language model for its artificial intelligence tools, delaying it until the fall. Behemoth was originally planned to release in April to coincide with Meta's first AI conference,