OpenAI releases lower-cost models to rival Meta, Mistral and DeepSeek

Core Insights - OpenAI has released two open-weight language models, gpt-oss-120b and gpt-oss-20b, marking the first release since GPT-2 in 2019, aimed at providing lower-cost options for developers and researchers [1] - Open-weight models have publicly available parameters, offering transparency and control, but differ from open-source models which provide full source code [2] - OpenAI collaborated with major tech companies like Nvidia and AMD to ensure compatibility of the models across various chips [3] Industry Context - The release of open-weight models by OpenAI contributes to a growing ecosystem, with other companies like Meta and Mistral AI also launching similar models [2][3] - Nvidia's CEO highlighted OpenAI's role in advancing innovation in open-source software, indicating a significant impact on the AI landscape [4]