News Summary

OpenAI has launched its first open-weight models in over five years, introducing two new language models, gpt-oss-120b and gpt-oss-20b. These models mark a shift in strategy for OpenAI, moving towards more open and accessible AI tools. The models, available for download on Hugging Face, allow users to run them locally on consumer devices and fine-tune them for specific purposes. This release is seen as complementary to OpenAI’s existing proprietary services. The models use chain-of-thought reasoning, allowing them to conduct multi-step responses to prompts. Released under the Apache 2.0 license, these models can be used for commercial purposes. OpenAI has conducted extensive safety testing to mitigate the risk of misuse, ensuring the models are released responsibly.