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Megatron-LM (355M)

Training compute
3.4×10²⁰ FLOP
Parameters
355M
Published
Sep 17, 2019

Megatron-LM (355M) is an AI model developed by NVIDIA (United States), first published in September 2019. It works in the language domain, on tasks such as language modeling/generation.

Training it took an estimated 3.4×10²⁰ FLOP of compute (estimation method: operation counting). The model has 355,000,000 parameters. It was trained on roughly 46.4B datapoints.

Access: Open weights (unrestricted). Its weights are openly available. The reference paper has 2,766 citations. Epoch AI rates the confidence of this record as confident.

Full record
Organization
NVIDIA
Country of organization
United States
Domain
Language
Task
Language modeling/generation
Training compute
3.4×10²⁰ FLOP
Compute estimation method
Operation counting
Parameters
355,000,000
Dataset size
46.4B
Model accessibility
Open weights (unrestricted)
Open weights
Yes
Citations
2,766
Epoch confidence
Confident
More from NVIDIA
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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