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BERT-Large-CAS (PTB+WT2+WT103)

Training compute
1.5×10²⁰ FLOP
Parameters
395M
Published
Apr 20, 2019

BERT-Large-CAS (PTB+WT2+WT103) is an AI model developed by Amazon (United States), first published in April 2019. It works in the language domain, on tasks such as neural architecture search - nas and language modeling/generation.

Training it took an estimated 1.5×10²⁰ FLOP of compute (estimation method: operation counting). The model has 395,000,000 parameters. It was trained on roughly 1.3B datapoints.

Access: Unreleased. Its weights are not openly released. The reference paper has 139 citations. Epoch AI rates the confidence of this record as likely.

Full record
Organization
Amazon
Country of organization
United States
Domain
Language
Task
Neural Architecture Search - NAS, Language modeling/generation
Training compute
1.5×10²⁰ FLOP
Compute estimation method
Operation counting
Parameters
395,000,000
Dataset size
1.3B
Numerical format
FP32
Model accessibility
Unreleased
Open weights
No
Citations
139
Epoch confidence
Likely
More from Amazon
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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