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Primer (GPT-3 XL-like 1.9B)

Training compute
2.2×10²² FLOP
Parameters
1.9B
Published
Jan 24, 2022

Primer (GPT-3 XL-like 1.9B) is an AI model developed by Google Brain (United States), first published in January 2022. It works in the language domain, on tasks such as language modeling/generation.

Training it took an estimated 2.2×10²² FLOP of compute (estimation method: hardware,operation counting). The model has 1,900,000,000 parameters. It was trained on roughly 2T datapoints. Training ran on 512 Google TPU v4 for about 140 hours.

Access: Unreleased. Its weights are not openly released. The reference paper has 209 citations. Epoch AI rates the confidence of this record as confident.

Full record
Organization
Google Brain
Country of organization
United States
Domain
Language
Task
Language modeling/generation
Training compute
2.2×10²² FLOP
Compute estimation method
Hardware, Operation counting
Parameters
1,900,000,000
Dataset size
2T
Training hardware
Google TPU v4
Chips used
512
Training time
140 h
Training power draw
350.4 kW
Model accessibility
Unreleased
Open weights
No
Citations
209
Epoch confidence
Confident
More from Google Brain
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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