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BERT-Large-CAS (WT103)

Parameters
340M
Published
Apr 20, 2019

BERT-Large-CAS (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.

Epoch AI has no training-compute estimate for this model. The model has 340,000,000 parameters. It was trained on roughly 103M datapoints.

Access: Unreleased. Its weights are not openly released. It is built on top of BERT-Large. The reference paper has 139 citations. Epoch AI rates the confidence of this record as confident.

Full record
Organization
Amazon
Country of organization
United States
Domain
Language
Task
Neural Architecture Search - NAS, Language modeling
Parameters
340,000,000
Dataset size
103M
Model accessibility
Unreleased
Open weights
No
Base model
BERT-Large
Citations
139
Epoch confidence
Confident
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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