Introducing GPT-OSS-120B and GPT-OSS-20B with OpenAI Harmony Format Support
· 6 min read
OpenAI has returned to open-source AI development with the release of two powerful new models: GPT-OSS-120B and GPT-OSS-20B. These open-weight reasoning models are available under the Apache 2.0 license and bring significant advancements in reasoning capabilities, along with native support for the OpenAI Harmony response format.