Hybrid-Phi-Mamba-1.5B is an AI model developed by Carnegie Mellon University (CMU), Mohamed bin Zayed University of Artificial Intelligence (MBZUAI) and Cartesia (United States and United Arab Emirates), first published in August 2024. It works in the language domain, on tasks such as language modeling/generation.
Training it took an estimated 1.2×10²¹ FLOP of compute (estimation method: operation counting). The model has 1,500,000,000 parameters. It was trained on roughly 5B datapoints.
Access: Unreleased. Its weights are not openly released. It is built on top of Phi-1.5. Epoch AI rates the confidence of this record as confident.