OpenAI

OpenAI Releases GPT-OSS, Its First Open-Source Large Language Models In a significant move for the AI and open-source software communities, OpenAI has released GPT-OSS, its first-ever family of open-source large language models. Licensed under the permissive Apache 2.0, this release introduces two powerful models: gpt-oss-120b and gpt-oss-20b. Both are engineered for efficient inference and strong reasoning, leveraging a Mixture-of-Experts (MoE) architecture. The larger gpt-oss-120b model rivals OpenAI’s proprietary o4-mini and operates on a single 80GB GPU. Meanwhile, the compact gpt-oss-20b model, comparable to o3-mini, is optimized for on-device AI applications, requiring as little as 16GB of memory. Complementing the models, OpenAI also launched ‘Harmony,’ an open-source project defining a new prompt template format. ...

OpenAI Reverses Course on Searchable ChatGPT Conversations OpenAI has disabled a feature that allowed users to make their ChatGPT conversations discoverable by search engines. The move comes after reports revealed that private and sensitive user chats were appearing in Google search results. OpenAI’s CISO, Dane Stuckey, called the feature a “short-lived experiment” that created too many risks of accidental sharing. While the feature was opt-in, the incident has sparked significant concern over user privacy and data protection in AI applications. ...