Gemini Omni Flash Preview vs GPT Image 1.5
| Google Gemini Omni Flash Preview | OpenAI GPT Image 1.5 | |
|---|---|---|
| Vendor | OpenAI | |
| Context window | 65,536 | 128,000 |
| Max output | 32,768 | — |
| Reasoning | Yes | No |
| Tool calling | No | No |
| File input | Yes | Yes |
| Input | text, image | text, image |
| Output | video | image |
| Released | 2026-06-29 | 2025-12-16 |