GLM API pricing
How GLM API charges, what to know before you commit, and what you'd pay at your usage — next to what the alternatives would cost for the same thing.
How it charges
Checked 2026-10-07 on docs.z.ai ↗ · USD, list pricesIn short
Pay per token, from $0.15 / $0.50 per million input/output tokens on GLM-5.3-Flash to $1.40 / $4.40 on GLM-5.3, with some older Flash models free.
- Free plan
- Yes
- Side project
- $1.25/mo GLM-5.3-Flash
- Growing
- $13/mo GLM-5.3-Flash
- Scaling
- $250/mo GLM-5.3-Flash
What the model leaves out
International (Z.ai) prices, flat across input lengths. GLM-4.7-Flash, GLM-4.5-Flash and GLM-4.6V-Flash are free. Mainland prices (bigmodel.cn) are in yuan and tiered by length for some models.
Before you commit
- Cached input is billed lower (GLM-5.3 $0.26 per million) and cache storage is free for a limited time.
- The built-in web search tool costs $0.01 per use.
- GLM Coding Plan subscriptions are sold separately from API pay-as-you-go.
| Plan | Monthly fee | Input tokens per month | Output tokens per month |
|---|---|---|---|
| GLM-5.3 | None | $1.4 per million tokens | $4.4 per million tokens |
| GLM-5.3-FlashX | None | $0.37 per million tokens | $1.25 per million tokens |
| GLM-5.3-Flash | None | $0.15 per million tokens | $0.5 per million tokens |
What you'd pay
GLM-5.3-Flash50 million tokens × $0.15 per million tokens + 10 million tokens × $0.5 per million tokens$13/mo
Cost as you grow
All LLM API pricing, compared →Which one fits your situation →