OpenAI Unveils GPT-OSS: The First Fully Open-Source LLM Since GPT-2
OpenAI has made a surprising return to its roots with the release of GPT-OSS, its first fully open-source large language model since GPT-2. Announced on August 5, 2025, the release includes two models: gpt-oss-120b and gpt-oss-20b, both available under the permissive Apache 2.0 license. ...