All comparisons
Codex 1 vs GPT-4 Turbo Preview
Side-by-side comparison of specifications, capabilities, and pricing.
| Released | 2025-05-16 | 2023-11-06 |
| Context window | 192K | 128K |
| Parameters | — | 1.76T (8x222B MoE)* |
| Architecture | decoder only | mixture of experts |
| License | Proprietary | Proprietary |
| Knowledge cutoff | — | 2023-12 |
Capabilities | ||
| Vision | ||
| Multimodal | ||
| Reasoning | ||
| Function calling | ||
| Tool use | ||
| JSON mode | ||
| Code execution | ||
Availability | ||
| Providers | — | |