Zhipu API pricing
ModelInput / 1MCached / 1MOutput / 1MPer monthAA Intelligence Index
GLM 5.3 Flash (v3)$0.150$0.030$0.500$16.541.8
GLM 5.3 (v3)$1.40$0.260$4.40$15044.8

Per month: 1,000 requests a day, 2,000 input and 500 output tokens each, no caching, 30 days.

Data: real-api-pricing (MIT) · prices as of Oct 16, 2026

Questions

What is the cheapest Zhipu API model?
GLM 5.3 Flash (v3) has the lowest list price of the 2 Zhipu models here: $0.150 per 1M input tokens and $0.500 per 1M output tokens. At 1,000 requests a day (2,000 input and 500 output tokens each) that comes to about $16.5 a month.
Which Zhipu model costs the most?
GLM 5.3 (v3), at $1.40 per 1M input tokens and $4.40 per 1M output tokens: about $150 a month for the same workload.
Is cached input cheaper on Zhipu?
Yes. On GLM 5.3 Flash (v3), cached input is $0.030 per 1M tokens against $0.150 for fresh input.