GLM API Pricing (Zhipu BigModel)

Zhipu AI publishes official API prices for 2 text models: GLM-5.1 and GLM-5. Input costs from CN¥4 to CN¥6 and output from CN¥18 to CN¥24 per 1M tokens. The lowest output price is GLM-5 at CN¥18; the highest is GLM-5.1 at CN¥24.

Prices checked Oct 10, 2026 · Exchange rates Oct 10, 2026

Models

Lowest output / 1M

CN¥18

GLM-5

Unit

Per 1M tokens

Prices checked

Oct 10, 2026

Zhipu AI publishes these prices in Chinese yuan (CNY, shown as CN¥). USD values are approximate, converted at 6.7065 CNY per USD (Oct 10, 2026).

GLM API prices by model

Official prices per 1 million tokens from Zhipu AI's pricing page. Open a model for every provider and plan we track.

GLM API prices per 1M tokens
Model	Input	Output	Cached input	Context window
GLM-5.1	CN¥6 (≈ $0.89)	CN¥24 (≈ $3.58)	CN¥1.30 (≈ $0.19)	—
GLM-5	CN¥4 (≈ $0.60)	CN¥18 (≈ $2.68)	CN¥1 (≈ $0.15)	200K

GLM API pricing FAQ

How much does the GLM API cost?

Zhipu AI's official API charges from CN¥4 to CN¥6 per 1M input tokens and from CN¥18 to CN¥24 per 1M output tokens across the 2 models listed here. Prices checked Oct 10, 2026.

What is the cheapest GLM API model?

GLM-5 has the lowest output price: CN¥4 per 1M input tokens and CN¥18 per 1M output tokens.

Is cached input cheaper on the GLM API?

Yes. 2 of the 2 models listed here have a lower cached-input price. For example, GLM-5.1 charges CN¥1.30 per 1M cached input tokens instead of CN¥6.

BiWu.Ai lists public API prices from official pricing pages for reference and does not sell API access. Long-context, batch and priority rates can differ, and prices can change without notice. Check Zhipu AI's pricing page before you build on it.