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PanGu-Σ

Training compute
4.7×10²³ FLOP
Parameters
1.1T
Published
Mar 20, 2023

PanGu-Σ is an AI model developed by Huawei Noah's Ark Lab (China), first published in March 2023. It works in the language domain, on tasks such as code generation, language modeling, translation and question answering.

Training it took an estimated 4.7×10²³ FLOP of compute (estimation method: hardware). The model has 1,085,000,000,000 parameters. It was trained on roughly 329B datapoints. Training ran on 512 Huawei Ascend 910 for about 2.4K hours.

Access: Unreleased. Its weights are not openly released. The reference paper has 78 citations. Epoch AI rates the confidence of this record as confident.

Full record
Organization
Huawei Noah's Ark Lab
Country of organization
China
Domain
Language
Task
Code generation, Language modeling, Translation, Question answering
Training compute
4.7×10²³ FLOP
Compute estimation method
Hardware
Parameters
1,085,000,000,000
Dataset size
329B
Training hardware
Huawei Ascend 910
Chips used
512
Training time
2,400 h
Chip-hours
1.2M
Training power draw
316.5 kW
Numerical format
FP16
Model accessibility
Unreleased
Open weights
No
Citations
78
Epoch confidence
Confident
More from Huawei Noah's Ark Lab
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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