OpenAI’s Open-Source Models: Why This Moment Matters
In a move that reshapes the landscape of AI development, OpenAI has released two open-source models — gpt-oss-20b andgpt-oss-120b — under the permissive Apache 2.0 license. These models can now be downloaded, run locally, inspected, and fine-tuned — with no dependence on OpenAI’s proprietary APIs.