Today, OpenAI officially introduced two groundbreaking open-source language models: gpt-oss-120b and gpt-oss-20b, both licensed under the Apache 2.0 framework. These models mark significant advancements in reasoning capabilities, tool utilization, and hardware compatibility. The gpt-oss-120b model is tailored for high-performance devices, whereas the gpt-oss-20b is designed to operate efficiently on devices with as little as 16GB of memory, catering to the diverse needs of users across different platforms.