Apollo 1.5B is an AI model developed by Meta AI and Stanford University (United States), first published in December 2024. It works in the video, language and multimodal domain, on tasks such as video description.
Epoch AI has no training-compute estimate for this model. The model has 1,500,000,000 parameters. Training ran on 128 NVIDIA A100.
Access: Unreleased. Its weights are not openly released. It is built on top of SigLIP 400M,Qwen2.5-1.5B. Epoch AI rates the confidence of this record as confident.