GPT-4 vs GPT-5.2-Codex
OpenAI vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •GPT-5.2-Codex has the higher intelligence index (89.9 vs 58.3)
- •GPT-5.2-Codex is cheaper ($1.75 vs $30.00 per 1M input)
- •GPT-5.2-Codex is faster
- •GPT-5.2-Codex has a larger context window (400K)
| GPT-4 | GPT-5.2-Codex | |
|---|---|---|
| Intelligence index | 58.3 | 89.9 |
| Developer | OpenAI | OpenAI |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 8,191 tokens | 400,000 tokens |
| Input price | $30.00 / 1M | $1.75 / 1M |
| Output price | $60.00 / 1M | $14.00 / 1M |
| Speed | 104 tok/s | 106 tok/s |
| Released | March 14, 2023 | January 14, 2026 |
| Parameters | — | — |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
Shared benchmarks
GPT-4
GPT-5.2-Codex
GPQA Diamond
35.7
89.9