According to Sam Altman (@sama), GPT-OSS is a breakthrough open-weights reasoning model that delivers strong real-world performance comparable to o4-mini and can be run locally on personal computers or even smartphones with smaller versions. This development positions GPT-OSS as one of the most accessible and capable open AI models available, unlocking significant opportunities for businesses and developers to deploy advanced AI applications without reliance on cloud infrastructure or proprietary models. The usability and local deployability of GPT-OSS answer a growing demand for customizable, privacy-preserving AI, enabling new business models in edge computing, on-device AI, and secure enterprise solutions (Source: Twitter, Sam Altman, August 5, 2025).