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OPT-IML (175B)

Training compute
4.3×10²³ FLOP
Parameters
175B
Published
Dec 22, 2022

OPT-IML (175B) is an AI model developed by Meta AI (United States), first published in December 2022. It works in the language domain, on tasks such as language modeling.

Training it took an estimated 4.3×10²³ FLOP of compute (estimation method: operation counting). The model has 175,000,000,000 parameters. It was trained on roughly 2B datapoints. Training ran on 128 NVIDIA A100 for about 72 hours.

Access: Open weights (non-commercial). Its weights are openly available. It is built on top of OPT-175B. The reference paper has 304 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
Training compute
4.3×10²³ FLOP
Compute estimation method
Operation counting
Parameters
175,000,000,000
Dataset size
2B
Training hardware
NVIDIA A100
Chips used
128
Training time
72 h
Chip-hours
9.2K
Training power draw
102.3 kW
Model accessibility
Open weights (non-commercial)
Open weights
Yes
Base model
OPT-175B
Citations
304
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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