GPT-5.3-Codex vs GPT-5.4 Image 2
OpenAI vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •GPT-5.3-Codex is cheaper ($1.75 vs $8.00 per 1M input)
- •GPT-5.3-Codex has a larger context window (400K)
| GPT-5.3-Codex | GPT-5.4 Image 2 | |
|---|---|---|
| Intelligence index | 91.5 | — |
| Developer | OpenAI | OpenAI |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 400,000 tokens | 272,000 tokens |
| Input price | $1.75 / 1M | $8.00 / 1M |
| Output price | $14.00 / 1M | $15.00 / 1M |
| Speed | 73 tok/s | — |
| Released | February 24, 2026 | April 21, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image | Image, Text |
| Output modalities | Text | Image, Text |