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Fairseq-dense 13B

Training compute
3.3×10²² FLOP
Parameters
13B
Published
Dec 20, 2021

Fairseq-dense 13B is an AI model developed by Meta AI (United States), first published in December 2021. 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 13,000,000,000 parameters. It was trained on roughly 112B datapoints. Training ran on NVIDIA A100.

Access: Open weights (unrestricted). Its weights are openly available. The reference paper has 241 citations. Epoch AI rates the confidence of this record as likely.

Full record
Organization
Meta AI
Country of organization
United States
Domain
Language
Task
Language modeling/generation
Training compute
3.3×10²² FLOP
Compute estimation method
Reported
Parameters
13,000,000,000
Dataset size
112B
Training hardware
NVIDIA A100
Model accessibility
Open weights (unrestricted)
Open weights
Yes
Citations
241
Epoch confidence
Likely
More from Meta AI
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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