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XLMR-XXL

Training compute
3.4×10²² FLOP
Parameters
10.7B
Published
Aug 17, 2021

XLMR-XXL is an AI model developed by Facebook AI Research (United States and France), first published in August 2021. It works in the language domain, on tasks such as translation and language modeling/generation.

Training it took an estimated 3.4×10²² FLOP of compute (estimation method: operation counting). The model has 10,700,000,000 parameters. It was trained on roughly 167B datapoints.

Access: Open weights (unrestricted). Its weights are openly available. The reference paper has 159 citations. Epoch AI rates the confidence of this record as confident.

Full record
Organization
Facebook AI Research
Country of organization
United States, France
Domain
Language
Task
Translation, Language modeling/generation
Training compute
3.4×10²² FLOP
Compute estimation method
Operation counting
Parameters
10,700,000,000
Dataset size
167B
Model accessibility
Open weights (unrestricted)
Open weights
Yes
Citations
159
Epoch confidence
Confident
More from Facebook AI Research
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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