gpt-4o vs Gemini 3 Flash Preview
| OpenAI gpt-4o | Google Gemini 3 Flash Preview | |
|---|---|---|
| Vendor | OpenAI | |
| Context window | 128,000 | 1,048,576 |
| Max output | 16,384 | 65,536 |
| Reasoning | No | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image | text, image, video, audio, file |
| Output | text | text |
| Released | 2024-05-13 | 2025-12-17 |