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GPT-2 (1.5B, Curriculum Learning 45K)

Training compute
2.4×10²¹ FLOP
Parameters
1.5B
Published
Aug 13, 2021

GPT-2 (1.5B, Curriculum Learning 45K) is an AI model developed by Microsoft (United States), first published in August 2021. It works in the language domain, on tasks such as language modeling/generation.

Training it took an estimated 2.4×10²¹ FLOP of compute (estimation method: comparison with other models,hardware,operation counting). The model has 1,500,000,000 parameters. It was trained on roughly 157B datapoints. Training ran on 128 NVIDIA V100 for about 155 hours.

Access: Unreleased. Its weights are not openly released. The reference paper has 55 citations. Epoch AI rates the confidence of this record as likely.

Full record
Organization
Microsoft
Country of organization
United States
Domain
Language
Task
Language modeling/generation
Training compute
2.4×10²¹ FLOP
Compute estimation method
Comparison with other models, Hardware, Operation counting
Parameters
1,500,000,000
Dataset size
157B
Training hardware
NVIDIA V100
Chips used
128
Training time
155 h
Training power draw
77.6 kW
Model accessibility
Unreleased
Open weights
No
Citations
55
Epoch confidence
Likely
More from Microsoft
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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