Meta (META) is reportedly pushing back the launch of its “Behemoth” AI model amid concerns about whether enough improvements have been made compared to previous iterations.

The Facebook parent had originally planned to roll out the new version of its Llama 4 large language model in April, in conjunction with its LlamaCon event for AI developers, The Wall Street Journal reported Thursday. The company has not offered a public timeline for the release. 

The delays have caused frustration with the Llama 4 development team among senior Meta executives, who are considering making management changes to its AI product group, the report said. 

Meta did not immediately respond to an Investopedia request for comment.

The news comes after the social media giant said last month that it plans to boost its capital expenditures this year to $64 billion to $72 billion to grow its AI capacity.

Meta shares slid about 2% Thursday. They’ve added 10% in 2025 so far.