available

Z.ai: GLM 4.5 Air

z-ai/glm-4-5-air

Prices

Input: $0.20 per 1M tokens
unverified · disputed
Input (cached read): $0.022 per 1M tokens
low
Output: $1.10 per 1M tokens
unverified · disputed

Also available on

The same model, sold by someone else. The price above is the maker's own.

19 sales channels for this model.
Channel	What	Price
OpenRouter	Input	$0.13 per 1M tokens
	Input (cached read)	$0.025 per 1M tokens
	Output	$0.85 per 1M tokens
OpenRouter · z-ai	Input	$0.13 per 1M tokens
	Input (cached read)	$0.025 per 1M tokens
	Output	$0.85 per 1M tokens
Other · huggingface	Input	$0.13 per 1M tokens
	Output	$0.85 per 1M tokens
Other · huggingface-nebius	Input	$0.20 per 1M tokens
	Output	$1.20 per 1M tokens
Other · huggingface-novita	Input	$0.13 per 1M tokens
	Output	$0.85 per 1M tokens
Other · impossibl	Input	$0.20 per 1M tokens
	Input (cached read)	$0.03 per 1M tokens
	Output	$1.10 per 1M tokens
Other · kilo	Input	$0.13 per 1M tokens
	Input (cached read)	$0.025 per 1M tokens
	Output	$0.85 per 1M tokens
Other · llmgateway-providers	Input	$0.20 per 1M tokens
	Input (cached read)	$0.03 per 1M tokens
	Output	$1.10 per 1M tokens
Other · merge-gateway	Input	$0.20 per 1M tokens
	Input (cache write)	$0.00 per 1M tokens
	Input (cached read)	$0.03 per 1M tokens
	Output	$1.10 per 1M tokens
Other · nano-gpt	Input	$0.12 per 1M tokens
	Input (cached read)	$0.06 per 1M tokens
	Output	$0.80 per 1M tokens
Other · novita-ai	Input	$0.13 per 1M tokens
	Input (cached read)	$0.025 per 1M tokens
	Output	$0.85 per 1M tokens
Other · openrouter	Input	$0.13 per 1M tokens
	Input (cached read)	$0.025 per 1M tokens
	Output	$0.85 per 1M tokens
Other · orcarouter	Input	$0.20 per 1M tokens
	Input (cache write)	$0.00 per 1M tokens
	Input (cached read)	$0.03 per 1M tokens
	Output	$1.10 per 1M tokens
Other · siliconflow	Input	$0.14 per 1M tokens
	Output	$0.86 per 1M tokens
Other · siliconflow-cn	Input	$0.14 per 1M tokens
	Output	$0.86 per 1M tokens
Other · submodel	Input	$0.10 per 1M tokens
	Output	$0.50 per 1M tokens
Other · tempr	Input	$0.20 per 1M tokens
	Input (cache write)	$0.00 per 1M tokens
	Input (cached read)	$0.03 per 1M tokens
	Output	$1.10 per 1M tokens
Other · vercel	Input	$0.20 per 1M tokens
	Input (cached read)	$0.03 per 1M tokens
	Output	$1.10 per 1M tokens
Other · zenmux	Input	$0.1165 per 1M tokens
	Input (>32k ctx)	$0.1747 per 1M tokens
	Input (cached read, >32k ctx)	$0.0349 per 1M tokens
	Input (cached read)	$0.0233 per 1M tokens
	Output	$0.2911 per 1M tokens
	Output (>32k ctx)	$1.16 per 1M tokens

Specifications

Provider: z-ai
Context window: 131,072
Max output tokens: 98,304
Open weights: yes
Released: 07/28/2025
Retires: no date announced
First seen by this tracker: 09/14/2026

Price history

Input — per 1M tokens

Recorded changes for Input
From	Amount
09/14/2026	0.11
09/14/2026	0.2

Output — per 1M tokens

Recorded changes for Output
From	Amount
09/14/2026	0.276
09/14/2026	1.1

No changes recorded

Input (cached read): 0.022 per 1M tokens, unchanged since 09/14/2026