GLM 5.2 vs gpt-4o-mini-transcribe
| Z.ai GLM 5.2 | OpenAI gpt-4o-mini-transcribe | |
|---|---|---|
| Vendor | Z.ai | OpenAI |
| Context window | 1,000,000 | — |
| Max output | 128,000 | — |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| File input | No | No |
| Input | text | text, audio |
| Output | text | text |
| Released | 2026-06-15 | 2025-03-19 |