GLM 5.3 Flash vs Gemini Omni Flash Preview
| Z.ai GLM 5.3 Flash | Google Gemini Omni Flash Preview | |
|---|---|---|
| Vendor | Z.ai | |
| Context window | 1,000,000 | 65,536 |
| Max output | 128,000 | 32,768 |
| Reasoning | Yes | Yes |
| Tool calling | Yes | No |
| File input | No | Yes |
| Input | text | text, image |
| Output | text | video |
| Released | 2026-08-26 | 2026-06-30 |