Z.ai: GLM 5.1
z-ai/glm-5.1
GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...
Modalities
Text
In / out price
₩1,695 / ₩5,328
1M
Context
204.8K
Released
Apr 8, 2026
Pricing
Prices are quoted in Korean won. Changes to the exchange rate or margin show up immediately.
| Input (prompt) | ₩1,695 / 1M |
| Output (completion) | ₩5,328 / 1M |
| Cache read | ₩315 / 1M |
| Cache write | — |
1,000 input tokens plus 1,000 output tokens costs about ₩7.02.