Large language model released through a staged publication process, culminating in the 1.5B-parameter model.
- Feb 14, 2019
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- Yes
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- 3
Releases
Nov 5, 2019GPT-2 1.5B full model releasedOpen weights
OpenAI completed the staged GPT-2 release with the 1.5-billion-parameter model and accompanying research.
Aug 20, 2019GPT-2 774M model releasedModel update
OpenAI released the 774-million-parameter GPT-2 model and shared further analysis of misuse and detection.
Feb 14, 2019GPT-2 announced with staged releaseModel release
OpenAI introduced GPT-2 and began a staged release process due to misuse concerns.

