GLM 4.7 Flash vs GPT Image 2
| Z.ai GLM 4.7 Flash | OpenAI GPT Image 2 | |
|---|---|---|
| Vendor | Z.ai | OpenAI |
| Context window | 128,000 | 128,000 |
| Max output | 4,096 | — |
| Reasoning | No | No |
| Tool calling | Yes | No |
| File input | Yes | Yes |
| Input | text, image | text, image |
| Output | text | image |
| Released | 2025-08-26 | 2026-04-21 |