Model detail
GPT-5.3-Codex
OpenAI's most capable current agentic coding model.
codingreasoningagentcode_generationsoftware_engineering_agententerprise_api
AI Model Radar / AI模型雷达
GPT-5.3-Codex
Model detail, capability tags, source, OpenRouter state, and public reputation.
Source
P0 · official · medium
Current version
gpt-5.3-codex
CompanyOpenAI
ReleaseNot disclosed
ContextNot disclosed
ParametersNot disclosed
| Input modalities | text / code |
|---|---|
| Output modalities | text / code |
| Tool use / Function calling | No reliable public source / No reliable public source |
| Structured output / Reasoning | No reliable public source / No reliable public source |
| Vision / Audio / Video | No reliable public source / No reliable public source / No reliable public source |
| Open weights / License | No / Not applicable |
| OpenRouter | No reliable public source |
| Community reputation | No reliable public source |
Versions