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Flan-T5 11B

Training compute
3.3×10²² FLOP
Parameters
11B
Published
Oct 20, 2022

Flan-T5 11B is an AI model developed by Google (United States), first published in October 2022. It works in the language domain, on tasks such as language modeling/generation.

Training it took an estimated 3.3×10²² FLOP of compute (estimation method: reported). The model has 11,000,000,000 parameters. It was trained on roughly 100B datapoints. Training ran on Google TPU v4. The compute alone is estimated at $98K in 2023 dollars.

Access: Open weights (unrestricted). Its weights are openly available. It is built on top of T5-11B. The reference paper has 4,129 citations. Epoch AI rates the confidence of this record as confident.

Full record
Organization
Google
Country of organization
United States
Domain
Language
Task
Language modeling/generation
Training compute
3.3×10²² FLOP
Compute estimation method
Reported
Parameters
11,000,000,000
Dataset size
100B
Training hardware
Google TPU v4
Training cost (2023 USD)
$98K
Model accessibility
Open weights (unrestricted)
Open weights
Yes
Base model
T5-11B
Citations
4,129
Epoch confidence
Confident
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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