gpt-4-gizmo-* vs GPT Image 2 Develop
| OpenAI gpt-4-gizmo-* | OpenAI GPT Image 2 Develop | |
|---|---|---|
| Vendor | OpenAI | OpenAI |
| Context window | — | 128,000 |
| Max output | — | — |
| Reasoning | No | No |
| Tool calling | No | No |
| File input | No | Yes |
| Input | text, image | text, image |
| Output | text | image |
| Released | — | 2026-04-20 |