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

Organización
OpenAI
Model family
GPT
Generation
2
Estado
legacy
Released
2019-02-14
Model type
General Purpose, Foundation
Input modalities
text
Output modalities
text
Context window
1,024 tokens
Parámetros
1.5B
Licencia
MIT
Pesos
open weights
API oficial
No
Alojamiento propio
Yes
Last verified
2026-08-01

Official sources

OpenAI BlogOfficial site

Related models in the GPT family

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