OpenAI has rolled out two new open-weight large language models alongside a new a red teaming challenge with a prize fund of $500,000. On August 5, at 10am Pacific Time (PT), Sam Altman, OpenAI’s CEO, posted “gpt-oss is out” on his social media. Gpt-oss, which stands for ‘GPT open source,’ is now available in two versions: gpt-oss-20b, a medium-sized model that can run on most desktops and laptops with 16GB of memory gpt-oss-120b, a large model designed to run in data centers and high-end desktops and laptops, requiring 80 GB of memory At the same time, OpenAI launched a red teaming challenge for gpt-oss-20b on Kaggle, a competition platform for data science and artificial intelligence contests. The objective is to encourage researchers, developers and AI hobbyists help identify novel…