GPT-5.4 Nano vs chatgpt-image-latest
| OpenAI GPT-5.4 Nano | OpenAI chatgpt-image-latest | |
|---|---|---|
| Vendor | OpenAI | OpenAI |
| Context window | 400,000 | — |
| Max output | 128,000 | — |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| File input | Yes | Yes |
| Input | text, image | text, image |
| Output | text | image |
| Released | 2026-03-17 | 2025-12-16 |