gpt-4-gizmo-* vs Claude Opus 4.1
| OpenAI gpt-4-gizmo-* | Anthropic Claude Claude Opus 4.1 | |
|---|---|---|
| Vendor | OpenAI | Anthropic Claude |
| Context window | — | 200,000 |
| Max output | — | 32,000 |
| Reasoning | No | Yes |
| Tool calling | No | Yes |
| File input | No | Yes |
| Input | text, image | text, image |
| Output | text | text |
| Released | — | 2025-08-05 |