AIPriceWatch

GLM 5.1 pricing

Text model by Z.ai (Zhipu). Sold by 2 providers.

Prices

API prices in USD, cheapest seller first. Highlighted: lowest for that line.
Sold byPrice linePriceSource
OpenRouterresellerper 1M input tokens$1.40Source verified
per 1M cached input tokens$0.26
per 1M output tokens$4.40
Z.ai (Zhipu)per 1M input tokens$1.40Source verified
per 1M cached input tokens$0.26
per 1M output tokens$4.40
Price a job with GLM 5.1

Limits

Context window
204.8K tokens
Max output
131.07K tokens
Released
7 Apr 2026
Open weights
Yes

Sources

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