Release dates
— OpenAI announced GPT-2 and began a staged release. ↗ — The full 1.5B GPT-2 weights were released. ↗
GPT-2
Demonstrated broad task transfer from unsupervised language modeling and introduced a staged-weight release.
MODEL NUMBER001
- First public date
- 2019-02-14
- Organization
- OpenAI
- Family
- GPT
01
Specifications
Only published specifications are shown.
- Total parameters
- 1.5B
- Architecture
- Dense
- Context
- 1,024 tokens
- Input modalities
- Text
- Open weights
- Yes
- License
- Modified MIT
- Status
- Legacy
02
Overview
Why it mattered
GPT-2 brought the scale-driven emergence of general language behavior into public view—and made release governance part of the model story.
PreviousGPT-1— · 512 ctx
CurrentGPT-21.5B · 1K ctx
04
Architecture & capabilities
Model capabilities
Text generationFew-shot learning
05
Release history
OpenAI announced GPT-2 and began a staged release.
View sourceThe full 1.5B GPT-2 weights were released.
View source06
Related models
Select a card to view the related model.
07
Sources
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