AI model · by OpenAI
gpt-oss-120b
gpt-oss-120b is OpenAI's model with structured output and tool calling support, listed as live on OpenRouter.
- Released 4 Aug 2025
- 131K tokens context
- Open weights · Apache 2.0
- Checked against OpenAI's page 19 Oct 2026
What gpt-oss-120b is for
The model was created on August 4, 2025, and its listed features include structured output and tool calling. It is shown as live on OpenRouter, while a Novita listing currently shows an error status.