GPT Image 1.5 vs Gemini Nano Banana 2.1 🍌
| OpenAI GPT Image 1.5 | Google Gemini Nano Banana 2.1 🍌 | |
|---|---|---|
| Vendor | OpenAI | |
| Context window | 128,000 | 131,072 |
| Max output | — | 32,768 |
| Reasoning | No | Yes |
| Tool calling | No | No |
| File input | Yes | Yes |
| Input | text, image | text, image, video, file |
| Output | image | image, text |
| Released | 2025-12-16 | 2026-10-06 |