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T5-3B

Training compute
9×10²¹ FLOP
Parameters
2.8B
Published
Oct 23, 2019

T5-3B is an AI model developed by Google (United States), first published in October 2019. It works in the language domain, on tasks such as text autocompletion. It counts among the frontier models: the systems trained with the most compute of their moment.

Training it took an estimated 9×10²¹ FLOP of compute (estimation method: third-party estimation,reported). The model has 2,800,000,000 parameters. It was trained on roughly 5.1B datapoints. Training ran on Google TPU v3. The compute alone is estimated at $17K in 2023 dollars.

Access: Open weights (unrestricted). Its weights are openly available. The reference paper has 25,683 citations. Epoch AI rates the confidence of this record as confident.

Full record
Organization
Google
Country of organization
United States
Domain
Language
Task
Text autocompletion
Training compute
9×10²¹ FLOP
Compute estimation method
Third-party estimation, Reported
Parameters
2,800,000,000
Dataset size
5.1B
Training hardware
Google TPU v3
Training cost (2023 USD)
$17K
Model accessibility
Open weights (unrestricted)
Open weights
Yes
Citations
25,683
Epoch confidence
Confident
Benchmark results
01BoolQScore0.9
02SuperGLUEScore0.86
03CommonsenseQA 2Score0.6
More from Google
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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