[subroutine]

They finally did release 2.0 under the MIT license. That was the last version (a 1.5-billion-parameter model) they would release open source. GPT3 for comparison has 175 billion parameters.

[renewiltord]

No. That’s not true. https://huggingface.co/openai/gpt-oss-120b

Was released after.

[subroutine]

I'm confused. From what I can tell GPT-2 was released in 2019...

https://huggingface.co/openai-community/gpt2

https://github.com/openai/gpt-2/blob/master/model_card.md

[renewiltord]

It was not the last version they released open source. GPT-OSS-120B was released open source after it.

[subroutine]

Oh duh, you are absolutely right. I thought you were saying they never released GPT-2.

[Zetaphor]

For clarity here, "after" was 6 years later, once Meta and then the Chinese labs had already established the ecosystem