GPT-5.2 Pro vs Gemini 4 Argon
| OpenAI GPT-5.2 Pro | Google Gemini 4 Argon | |
|---|---|---|
| Vendor | OpenAI | |
| Context window | 400,000 | 1,048,576 |
| Max output | 128,000 | 65,536 |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image | text, image, video, audio, file |
| Output | text | text |
| Released | 2025-12-11 | 2026-10-13 |