FMMformer (2-kernel fast weight + Band20) is an AI model developed by University of California Los Angeles (UCLA) and University of Utah (United States), first published in August 2021. It works in the language domain, on tasks such as language modeling and text classification.
Training it took an estimated 2.5×10¹⁶ FLOP of compute (estimation method: operation counting). The model has 40,000,000 parameters. Training ran on 4 NVIDIA GeForce RTX 3090 Ti.
Access: Unreleased. Its weights are not openly released. The reference paper has 38 citations. Epoch AI rates the confidence of this record as speculative.