GPT-5.4 Pro vs GPT-5 Codex
OpenAI vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •GPT-5 Codex is cheaper ($1.25 vs $30.00 per 1M input)
- •GPT-5.4 Pro has a larger context window (1.1M)
| GPT-5.4 Pro | GPT-5 Codex | |
|---|---|---|
| Intelligence index | — | 87.1 |
| Developer | OpenAI | OpenAI |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 1,050,000 tokens | 400,000 tokens |
| Input price | $30.00 / 1M | $1.25 / 1M |
| Output price | $180.00 / 1M | $10.00 / 1M |
| Speed | — | 180 tok/s |
| Released | March 5, 2026 | September 23, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |