Codex + GPT-5.3 Codex
A CLI agent plus hosted coding model stack for OpenAI ecosystem workflows, terminal automation, and CI-style editing.
ARscore 63.2128K context$5/$20mixed stack
| Agent | Codex |
|---|---|
| Model | GPT-5.3 Codex |
| Agent score | 84 |
| Model SWE-bench | 75.2% |
| Combined score | 63.2 |
| Best fit | OpenAI ecosystem workflows, terminal automation, and CI-style editing |
Related Codex stacks
Same agent, different model choices.
Related GPT-5.3 Codex stacks
Same model, different agent wrappers.