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Big Transfer (BiT-L)

Parameters
928M
Published
Dec 24, 2019

Big Transfer (BiT-L) is an AI model developed by Google Brain (United States), first published in December 2019. It works in the vision domain, on tasks such as image classification.

Epoch AI has no training-compute estimate for this model. The model has 928,000,000 parameters. It was trained on roughly 300M datapoints. Training ran on Google TPU v3.

Access: Unreleased. Its weights are not openly released. The reference paper has 1,361 citations.

Full record
Organization
Google Brain
Country of organization
United States
Domain
Vision
Task
Image classification
Parameters
928,000,000
Dataset size
300M
Training hardware
Google TPU v3
Numerical format
FP32
Model accessibility
Unreleased
Open weights
No
Citations
1,361
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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