GPT-4.1 Nano 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 42.1)
- •GPT-4.1 Nano is cheaper ($0.10 vs $1.75 per 1M input)
- •GPT-4.1 Nano is faster
- •GPT-4.1 Nano has a larger context window (1M)
| GPT-4.1 Nano | GPT-5.2-Codex | |
|---|---|---|
| Intelligence index | 42.1 | 89.9 |
| Developer | OpenAI | OpenAI |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 1,047,576 tokens | 400,000 tokens |
| Input price | $0.10 / 1M | $1.75 / 1M |
| Output price | $0.40 / 1M | $14.00 / 1M |
| Speed | 200 tok/s | 106 tok/s |
| Released | April 14, 2025 | January 14, 2026 |
| Parameters | — | — |
| Input modalities | Image, Text | Text, Image |
| Output modalities | Text | Text |
Shared benchmarks
GPT-4.1 Nano
GPT-5.2-Codex
GPQA Diamond
50.3
89.9
Humanity’s Last Exam
3.9
33.5