Z AiTool use

GLM 4.5 Air pricing

GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications. Like GLM-4.5, it adopts the Mixture-of-Experts (MoE) architecture but with a more compact parameter size. GLM-4.5-Air also supports hybrid inference modes, offering a "thinking mode" for advanced reasoning and tool use, and a "non-thinking mode" for real-time interaction. Users can control the reasoning behaviour with the `reasoning` `enabled` boolean. [Learn more in our. This page tracks 4 listings in total. Highlighted lows are $0.130 per million input and $0.850 per million output (see table for which seller matches each).

128K context·4 providers·save up to 35% vs native via Openrouter·verified Apr 7, 2026
Best input$0.130per 1M tokens · Openrouter
Best output$0.850per 1M tokens · Openrouter

Pricing across providers

Every row is a seller of GLM 4.5 Air with token pricing we track. The cheapest input in this snapshot is from Openrouter. The bar chart shows the same input and output dollars per million for a quick scan.

O
Openrouter
Input / 1M
$0.130
Output / 1M
$0.850
N
Novita
Input / 1M
$0.130
Output / 1M
$0.850
VA
Vercel Ai Gateway
Input / 1M
$0.200
Output / 1M
$1.10
ZA
Z Ainative
Input / 1M
$0.200
Output / 1M
$1.10

Input vs output · per provider

Cost calculator

Pick any of the providers above and type how many tokens you expect per day, week, or year. We turn that into rough dollar totals for GLM 4.5 Air.

Provider

In: $0.130/M·Out: $0.850/M

0.013000¢ / req

0.042500¢ / req

Daily
$5.55
Monthly
$167
Annual
$2.0K
26% cheaper than the native API at this usage level

Model specifications

Quick spec sheet for GLM 4.5 Air before you dive back into pricing. Reported under Z Ai.

Context window
128,000 tokens
Max output
32,000 tokens
Vision (images)
No
Tool / function calling
Yes
Streaming
No
Released
Jul 2025
Primary provider
Z Ai
Model family
N/A

Compare GLM 4.5 Air

Jump into a comparison when you want one table for two models instead of two tabs. 6 curated matches for GLM 4.5 Air.

Frequently asked questions

Read these after the table if you want plain language around GLM 4.5 Air rates. The short model note from our index: GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications. Like GLM-4.5, it adopts the Mixture-of-Experts (MoE) architecture but with a more compact par...

GLM 4.5 Air costs $0.20 per million input tokens and $1.10 per million output tokens via the native API.

Also from Z Ai

Other models by Z Ai with live pricing in our catalog.