Open flagship GLM for long-horizon coding agents and million-token context work
Details
| Field | Value |
|---|---|
| id | zai-org/GLM-5.2-Fast |
| family | glm |
| modality | text->text |
| context_length | 1048576 |
| max_output_tokens | 262144 |
| release_date | 2026-06-13 |
| is_open_weights | yes |
| supports_tool_call | yes |
| supports_reasoning | yes |
| supports_structured_output | yes |
| supports_attachment | no |
| input_modalities | text |
| output_modalities | text |