NeMO Megatron GPT 20B is an AI model developed by NVIDIA (United States), first published in September 2022. It works in the language domain, on tasks such as language modeling/generation and question answering.
Epoch AI has no training-compute estimate for this model. The model has 20,000,000,000 parameters. It was trained on roughly 341.2B datapoints.
Access: Open weights (unrestricted). Its weights are openly available. Epoch AI rates the confidence of this record as confident.