OpenAI
GPT-OSS 120B
openai/gpt-oss-120b
Open-weight MoE with reasoning at a very low price. Text only.
TextText → TextReady on endue
- Open weights
- Low cost
- Reasoning
Overview
Good for
Written by endue
- Open weights
- Low cost
- Reasoning
Not ideal for
From the model’s specs
- Text input only. Images and files you attach are skipped.
Capabilities
| Tool use | Supported |
|---|---|
| Structured output | Supported |
| JSON mode | Supported |
| Reasoning | Supported |
| Vision | Not supported |
| Audio input | Not supported |
| Video input | Not supported |
| File input | Not supported |
| Long context | Not supported |
Specifications
- Model ID
openai/gpt-oss-120b- Family
- GPT-OSS
- Context window
- 131K tokens
- Input
- Text
- Output
- Text