GLM API pricing

GLM-5.3, the Z.ai flagship, costs $1.40 per million input tokens and $4.40 per million output tokens. Z.ai’s other current models, per million input / output tokens: GLM-5.3-Flash $0.15 / $0.50.

GLM API price per million tokens, at list
GLM-5.3GLM-5.3-Flash
Input$1.40$0.15
Output$4.40$0.50
Cache read$0.26$0.03

US dollars per million tokens. List prices read 12 November 2026 from Z.ai.

What the film says
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Per token and per pass

The list price per million tokens, then how many of the benchmark’s 20 office tasks each model passed and what 1,000 passing answers cost, failed runs included.

GLM API list prices and benchmark cost per pass
ModelInputOutputCached inputContextTasks passed1,000 passes
GLM-5.3Flagships$1.40$4.40$0.261M18 of 20$7.02
GLM-5.3-FlashSmall and fast$0.15$0.50$0.031M18 of 20$0.831

To see what your own workload costs on every model, use the LLM API cost calculator.

Z.ai prices the 2 current models on our list from GLM-5.3-Flash at $0.15 in and $0.50 out per million tokens to GLM-5.3 at $1.40 in and $4.40 out. On the AIGROW small-business benchmark GLM-5.3-Flash shared the best record, 18 of 20 tasks passed, at the lowest cost: $0.831 per thousand passes.

What three everyday jobs cost

1,000 runs of each job at list price. The token counts are ours; the prices are Z.ai’s.

What three everyday jobs cost on each GLM model
Model1,000 × support reply1,000 × document summary1,000 × agent task
GLM-5.3$5.96$39.40$45.40
GLM-5.3-Flash$0.65$4.25$5.10
Support reply
A 3,000-token prompt (the ticket, the thread so far and a policy excerpt) and a 400-token answer.
Document summary
A 40-page document of about 25,000 tokens in, a 1,000-token summary out.
Agent task
Ten steps that read 80,000 tokens between them, 70,000 of them context repeated from step to step and served from cache, and write 3,000.

The small print

What Z.ai’s pricing pages add to the headline rates.

GLM-5.3
Cached-input storage is 'Limited-time Free'. Max output 128K. Open weights on Hugging Face (zai-org/GLM-5.3).
GLM-5.3-Flash
320B total, 18B active parameters. Cached-input storage is 'Limited-time Free'. Z.ai also sells GLM-5.3-FlashX ($0.37 / $1.25), not included. Open weights on Hugging Face (zai-org/GLM-5.3-Flash).

A price page for each GLM model

Head to head

The comparisons with a GLM model on one side, each with both prices and the three jobs costed on each.

Comparisons with an earlier generation

Where the prices come from

Read on 12 November 2026. Each price is the standard rate for the shortest context band, with no batch or priority discount; long-context surcharges, batch rates and promotions are in each model’s small print. No price was taken from a reseller.

Weigh GLM against every other maker

The price list sets the models of 11 makers side by side: input and output price per million tokens, and what three everyday jobs cost on each.

Prices checked 12 November 2026 · See them by release date · See the LLM leaderboard