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Zoneout + Variational LSTM (WT2)

Training compute
1.6×10¹⁶ FLOP
Parameters
21M
Published
Sep 26, 2016

Zoneout + Variational LSTM (WT2) is an AI model developed by MetaMind Inc and Salesforce (United States), first published in September 2016. It works in the language domain, on tasks such as language modeling.

Training it took an estimated 1.6×10¹⁶ FLOP of compute (estimation method: operation counting). The model has 21,000,000 parameters. It was trained on roughly 2M datapoints. Training ran on NVIDIA Tesla K80.

Access: Unreleased. Its weights are not openly released. The reference paper has 4,010 citations. Epoch AI rates the confidence of this record as confident.

Full record
Organization
MetaMind Inc, Salesforce
Country of organization
United States
Domain
Language
Task
Language modeling
Training compute
1.6×10¹⁶ FLOP
Compute estimation method
Operation counting
Parameters
21,000,000
Dataset size
2M
Training hardware
NVIDIA Tesla K80
Model accessibility
Unreleased
Open weights
No
Citations
4,010
Epoch confidence
Confident
More from MetaMind Inc,Salesforce
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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