Z.ai: GLM 5.2 (free)z-ai
Bottom Line
Z.ai: GLM 5.2 (free): Free/1M input, Free/1M output, 33K context. GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...
API Pricing (per 1M tokens)
| Input | Free |
| Output | Free |
| Cache Read | — |
| Cache Write | — |
| Blended (3:1) | $0.00 |
Specs & Performance
| Context Length | 33K |
| Max Output | 29K |
| Intelligence | — |
| Coding | — |
| Math | — |
| Speed | — |
| TTFT | — |
| CPS Grade | — |
| Input / Output Modalities | text → text |
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FAQ
How much does the Z.ai: GLM 5.2 (free) API cost?
Z.ai: GLM 5.2 (free) costs Free/1M input tokens and Free/1M output tokens. Blended cost at a 3:1 ratio is about $0.00/1M tokens.
What is the context window of Z.ai: GLM 5.2 (free)?
Z.ai: GLM 5.2 (free) supports a 33K token context window with up to 29K output tokens.
Is Z.ai: GLM 5.2 (free) worth it?
Z.ai: GLM 5.2 (free) has a CPS grade of — (score —), intelligence index —, coding index —. Use the compare page to benchmark against rivals.