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

組織
OpenAI
Model family
GPT
Generation
2
状態
legacy
Released
2019-02-14
Model type
General Purpose, Foundation
Input modalities
text
Output modalities
text
Context window
1,024 tokens
パラメータ
1.5B
ライセンス
MIT
重み
open weights
公式 API
いいえ
自己ホスト可能
Yes
Last verified
2026-08-01

Official sources

OpenAI BlogOfficial site

Related models in the GPT family

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