GLM 5.2 vs o3-mini
| Z.ai GLM 5.2 | OpenAI o3-mini | |
|---|---|---|
| Vendor | Z.ai | OpenAI |
| Context window | 1,000,000 | 200,000 |
| Max output | 128,000 | 100,000 |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | No | No |
| Input | text | text |
| Output | text | text |
| Released | 2026-06-15 | 2024-12-20 |
| Z.ai GLM 5.2 | OpenAI o3-mini | |
|---|---|---|
| Vendor | Z.ai | OpenAI |
| Context window | 1,000,000 | 200,000 |
| Max output | 128,000 | 100,000 |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | No | No |
| Input | text | text |
| Output | text | text |
| Released | 2026-06-15 | 2024-12-20 |