GPT-OSS, OpenAI’s open-weight language model series released in August 2025 under the Apache 2.0 license, empowers users to run advanced AI locally, ensuring privacy and control. Available in two ...
First, gpt-oss comes in two flavors: gpt-oss-20b and gpt-oss-120b. The former is described as a medium open weight model, while the latter is considered a heavy open weight model. The medium model is ...