GPT-5.5 vs gpt-4o-2024-11-20
| OpenAI GPT-5.5 | OpenAI gpt-4o-2024-11-20 | |
|---|---|---|
| Vendor | OpenAI | OpenAI |
| Context window | 1,050,000 | 128,000 |
| Max output | 128,000 | 16,384 |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image | text, image |
| Output | text | text |
| Released | 2026-04-23 | 2024-11-20 |