Gpt-oss (demo: https://gpt-oss.com/ and documentation: https://huggingface.co/collections/openai/gpt-oss-68911959590a1634ba11c7a4): two language models open-source produced and made available by OpenAI, the first with 120 billion parameters and the second with 20 billion.

Three levels of reasoning are available on the demo space.

Can generate code in HTML and javascript (see the two tests below).

No session history and no export other than copy and paste. Last database update in June 2024.

Accessible with a HuggingChat account, free, and seems unlimited.

Code generation test (results to be found here: https://sites.google.com/view/test-gpt-oss):