GPT-2

OpenAIGPTStatus: legacy

GPT-2 is a general purpose, foundation AI model developed by OpenAI, part of the GPT family. It was released on 2019-02-14. Its tracked lifecycle status is legacy. It supports a context window of 1,024 tokens. It has 1.5B parameters.

Specifications

Organisation
OpenAI
Model family
GPT
Generation
2
Statut
legacy
Released
2019-02-14
Model type
General Purpose, Foundation
Input modalities
text
Output modalities
text
Context window
1,024 tokens
Paramètres
1.5B
Licence
MIT
Poids
open weights
API officielle
Non
Auto-hébergement
Yes
Last verified
2026-08-01

Official sources

OpenAI BlogOfficial site

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