Model detail
gpt-oss-120b
OpenAI's most powerful open-weight model, designed to fit on a single H100 GPU.
general_llmreasoningcodingvision_languageagentlocal_inferencecode_generationsoftware_engineering_agententerprise_api
Model detail, capability tags, source, OpenRouter state, and public reputation.
OpenAI's most powerful open-weight model, designed to fit on a single H100 GPU.
gpt-oss-120b Model | OpenAI API
P0 · official · high
| Input modalities | text / image |
|---|---|
| Output modalities | text |
| Tool use / Function calling | Yes / Yes |
| Structured output / Reasoning | Yes / Yes |
| Vision / Audio / Video | Yes / No / No |
| Open weights / License | Yes / Apache-2.0 |
| OpenRouter | No reliable public source |
| Community reputation | 1 public signals |