OpenAI Released Two Open-Weight GPT Models Under Apache 2.0 License
On August 5, 2025, OpenAI released two open-weight reasoning models under the Apache 2.0 license, named gpt-oss-120b and gpt-oss-20b, allowing researchers to freely access, modify and distribute these AI models. This industry-milestone move responds to growing demand for open-source, high-performance models that make AI development more transparent. The two
