Actors / Yann LeCun Individual Yann LeCun Website yann.lecun.com Tracked events 4 Also known as: LeCun Events 2025 Apr 2025 Meta Releases Llama 4 Scout and Maverick Models advocate open source 2024 Jul 2024 Meta Releases Llama 3.1 405B, Largest Open-Weight Model advocate open source Apr 2024 Meta Releases Llama 3 advocate open source 2023 Jul 2023 Meta Releases Llama 2 as Open-Weight Model advocate open source