gpt-4-gizmo-* vs Seedance 2.5
| OpenAI gpt-4-gizmo-* | ByteDance Seedance 2.5 | |
|---|---|---|
| Vendor | OpenAI | ByteDance |
| Context window | — | — |
| Max output | — | — |
| Reasoning | No | No |
| Tool calling | No | No |
| File input | No | Yes |
| Input | text, image | text, image, video, audio |
| Output | text | video |
| Released | — | 2026-07-31 |