GPT Image 1.5 vs gpt-4.1
| OpenAI GPT Image 1.5 | OpenAI gpt-4.1 | |
|---|---|---|
| Vendor | OpenAI | OpenAI |
| Context window | 128,000 | 1,047,576 |
| Max output | — | 32,768 |
| Reasoning | No | No |
| Tool calling | No | Yes |
| File input | Yes | Yes |
| Input | text, image | text, image |
| Output | image | text |
| Released | 2025-12-16 | 2025-04-14 |