Live
AI models

Sparse Transformer (Enwik8)

Training compute
4.1×10¹⁸ FLOP
Parameters
95M
Published
Apr 23, 2019

Sparse Transformer (Enwik8) is an AI model developed by OpenAI (United States), first published in April 2019. It works in the language domain, on tasks such as language modeling.

Training it took an estimated 4.1×10¹⁸ FLOP of compute (estimation method: operation counting). The model has 95,000,000 parameters. It was trained on roughly 90M datapoints. Training ran on 8 NVIDIA V100.

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
Language
Task
Language modeling
Training compute
4.1×10¹⁸ FLOP
Compute estimation method
Operation counting
Parameters
95,000,000
Dataset size
90M
Training hardware
NVIDIA V100
Chips used
8
Training power draw
4.9 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.
← All ai models