Compare
 GPT-5.3-CodexOpenAI | |
|---|---|
| Best input | $1.75 /MTok |
| Best output | $14.00 /MTok |
| Cache read | $0.175 |
| Context | 400K |
| Max output | 128K |
| Modalities in | text, image, file |
| Tool calling | ✓ |
| Structured output | ✓ |
| Reasoning | ✓ |
| Vision | ✓ |
| Audio input | — |
| Prompt caching | ✓ |
| Providers | 3 |
| Cheapest provider | OpenAI |
| License | Proprietary |
| Released | Feb 24, 2026 |