GLM-5.1 vs GLM-5.2
GLM-5.1 (Zhipu) versus GLM-5.2 (Zhipu): API pricing, context window, capabilities and uptime, from the same data as each model page, at the WandAPI default channel price. Input costs 4.8 Credits / M for GLM-5.1 and 4.8 Credits / M for GLM-5.2.
Specs side by side
| Item |  GLM-5.1glm-5.1 | GLM-5.2glm-5.2 |
|---|---|---|
| Input (prompt) · Credits / M | 4.8≈ $0.73 | 4.8≈ $0.73 |
| Output (completion) · Credits / M | 16.8≈ $2.55 | 16.8≈ $2.55 |
| Cache read · Credits / M | 1.2 | 1.2 |
| Context window | — | 1M |
| Max output | 128K | 128K |
| 7-day uptime | — | — |
| Latest probe latency | — | — |
| Measured throughput | 65.8 t/s | 11.9 t/s |
| Protocols | Anthropic Messages | Anthropic Messages |
| Sample monthly cost (10M in + 2M out) | 81.6≈ $12.40 | 81.6≈ $12.40 |
Prices are the WandAPI default channel price in Credits (1 Credit = ¥1); green marks the better side. Uptime and latency come from WandAPI probes; a dash means the model is not probed yet.
Capabilities
FAQ
Can I switch between GLM-5.1 and GLM-5.2 at any time?
Yes. WandAPI calls every model with the same API key; switching is just changing the model field in the request, and billing is split per model in one console.
How do the capabilities of GLM-5.1 and GLM-5.2 differ?
Their capability flags are identical. Every other capability is either supported by both or by neither; see the capability table above.
More comparisons
One API key for both GLM-5.1 and GLM-5.2
Free credits on sign-up, pay as you go, no monthly fee.