Comparing 1 model
| OpenAI: GPT-5.3-Codex | |
|---|---|
| Maker | Openai |
| Context window | 400K |
| Max output | 128K |
| Input / 1M | $3.50 |
| Output / 1M | $28 |
| Cache read / 1M | $0.35 |
| Cache write / 1M | — |
| 1M in + 1M out | $31.50 |
| Takes | text, image, file |
| Returns | text |
| Tools | yes |
| Reasoning | optional · xhigh, high, medium, low, none |
| Open weights | no |
| Released | 2026-02-24 |
| Knowledge cutoff | — |
| Retires | — |