How much does GLM 4.5 Air cost per token?

GLM 4.5 Air is priced at $0.13 per million input tokens and $0.85 per million output tokens, per OpenRouter as of Aug 19, 2026.

What is GLM 4.5 Air's context window?

GLM 4.5 Air supports a context window of up to 131.1K tokens, per Z.ai.

How widely used is GLM 4.5 Air?

GLM 4.5 Air accounts for about 0.3% of tracked OpenRouter coding-token volume as of Jun 14, 2026.

What are the alternatives to GLM 4.5 Air?

By OpenRouter usage, comparable models include DeepSeek V4 Flash, Hy3, and Nemotron 3 Ultra. Side-by-side comparisons are linked in the alternatives table.

ModelsZ.ai

GLM 4.5 Air

Name: GLM 4.5 Air
Author: Z.ai

openrouter hugging face price docs

Context

131.1K

tokens

Released

Jul 25, 2025

on OpenRouter

Token share

0.3%

OpenRouter · Jun 14, 2026

Pricing

Price per million tokens

Input $/MTok

$0.13

OpenRouter · Aug 19, 2026

Output $/MTok

$0.85

OpenRouter · Aug 19, 2026

Cache read $/MTok

$0.025

OpenRouter

Current GLM 4.5 Air prices per million tokens across tracked sources.
Source	Tracked slug	In $/MTok	Out $/MTok	Cache read	Cache write	Context	Effective	Last Δ (in)
OpenRouter	z-ai/glm-4.5-air	$0.13	$0.85	$0.025	—	131.1K	Aug 19, 2026	—
models.dev	llmgateway/glm-4.5-airx	$1.10	$4.50	$0.22	—	128K	Aug 20, 2026	746.2%

latest tracked price per source · Δ = most recent input-price move within that source

2 sources tracking

Input $/MTok

Output $/MTok

per-source step lines · $/MTok

history since Jul 8, 2026

Specs

Context & availability

GLM 4.5 Air specifications.
Provider	Z.ai
Context window	131.1K tokens
Listed on OpenRouter	Jul 25, 2025
Tracked price sources	OpenRouter · models.dev
Hugging Face	zai-org/GLM-4.5-Air
OpenRouter slugs	z-ai/glm-4.5-air

source: OpenRouter model catalog + tracked price feeds

id: glm-4-5-air

Usage

Share of OpenRouter tokens

90-day · to Jun 14, 2026

source: OpenRouter model rankings · share of tracked coding-token volume

0.3% on Jun 14, 2026

Benchmarks

Benchmark results

Benchmark scores for GLM 4.5 Air.
Benchmark	Configuration	Score	Date	Source
no benchmark results attributed to GLM 4.5 Air yet

scores as published by each benchmark; configurations differ — compare within a row's benchmark only

Alternatives

Similar models

Alternatives to GLM 4.5 Air by OpenRouter usage-rank proximity.
#	Model	Tokens/day	7d Δ	Head-to-head
1	DeepSeek V4 FlashDeepSeek	2.7T	23.9%	vs GLM 4.5 Air
2	Hy3Tencent	1.3T	17.8%	vs GLM 4.5 Air
5	Nemotron 3 UltraNVIDIA	733B	45.1%	vs GLM 4.5 Air
7	GLM 5.2Z.ai	533B	4.2%	vs GLM 4.5 Air

ranked by OpenRouter usage-rank proximity

snapshot Aug 20, 2026

FAQ

GLM 4.5 Air FAQ

How much does GLM 4.5 Air cost per token?: GLM 4.5 Air is priced at $0.13 per million input tokens and $0.85 per million output tokens, per OpenRouter as of Aug 19, 2026.
What is GLM 4.5 Air's context window?: GLM 4.5 Air supports a context window of up to 131.1K tokens, per Z.ai.
How widely used is GLM 4.5 Air?: GLM 4.5 Air accounts for about 0.3% of tracked OpenRouter coding-token volume as of Jun 14, 2026.
What are the alternatives to GLM 4.5 Air?: By OpenRouter usage, comparable models include DeepSeek V4 Flash, Hy3, and Nemotron 3 Ultra. Side-by-side comparisons are linked in the alternatives table.

Alerts

Track GLM 4.5 Air

Email me when GLM 4.5 Air's price moves or it gets deprecated.