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Sparse Transformer (ImageNet)

Training compute
1.5×10²¹ FLOP
Parameters
152M
Published
Apr 23, 2019

Sparse Transformer (ImageNet) is an AI model developed by OpenAI (United States), first published in April 2019. It works in the image generation domain, on tasks such as image generation.

Training it took an estimated 1.5×10²¹ FLOP of compute (estimation method: hardware). The model has 152,000,000 parameters. Training ran on 64 NVIDIA V100 for about 168 hours.

Access: Unreleased. Its weights are not openly released. Epoch AI rates the confidence of this record as confident.

Full record
Organization
OpenAI
Country of organization
United States
Domain
Image generation
Task
Image generation
Training compute
1.5×10²¹ FLOP
Compute estimation method
Hardware
Parameters
152,000,000
Training hardware
NVIDIA V100
Chips used
64
Training time
168 h
Training power draw
39.5 kW
Model accessibility
Unreleased
Open weights
No
Epoch confidence
Confident
More from OpenAI
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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