Model Cost Profile

Z.ai: GLM 4.5 Air

Developer: z-ai

Pricing updated Mar 11, 2026

Input rank: #106Output rank: #164

Live Pricing

Input: $0.1300

Output: $0.8500

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Pricing via OpenRouter API · Last synced Mar 11, 2026 · MMLU score via public benchmark data

Z.ai: GLM 4.5 Air offers a substantial context window of 131072 tokens, making it ideal for applications requiring extensive document analysis or multi-turn conversational agents. With an input price of $0.13 per 1M tokens and an output price of $0.85 per 1M tokens, teams can effectively manage costs while leveraging this model for complex data processing tasks. Its design caters to industries such as customer support, content generation, and research, where large context handling is essential for delivering accurate and coherent results.

🔧 Tool Calling📋 Structured Output🧠 Reasoning

Context Window

131,072

Tokens

Input Price / 1M

$0.1300

Prompt tokens

Output Price / 1M

$0.8500

Completion tokens

Intelligence (MMLU)

81.5

Massive Multitask Language Understanding

Benchmark Scores

Standardized evaluation scores for Z.ai: GLM 4.5 Air.

Benchmark	Score	Rank	Source
GPQA	73.3	#38 of 118	artificial_analysis
MMLU	81.5	#35 of 121	artificial_analysis

Side-by-Side Pricing Table

Usage Type	Price / 1M Tokens
Input (Prompt)	$0.1300
Output (Completion)	$0.8500

Compare with Z.ai: GLM 4 32B Compare with Nous: Hermes 4 70B Compare with Qwen: Qwen3 VL 30B A3B Instruct

Price History

Z.ai: GLM 4.5 Air Pricing Trend

Input / 1M tokens0.0%Output / 1M tokens0.0%

Mar 7 — Mar 11

Current Input / 1M

$0.1300

Current Output / 1M

$0.8500

Cost Calculator

Estimate monthly spend for Z.ai: GLM 4.5 Air based on your workload.

Input tokens / month

01.0B

Output tokens / month

0500M

Estimated Monthly Cost

$13

25M input + 12M output tokens

Same Workload on Other Models

Arcee AI: Trinity Large Preview (free)$0.00−$13 Arcee AI: Trinity Mini (free)$0.00−$13 Google: Gemma 3 12B (free)$0.00−$13 Google: Gemma 3 27B (free)$0.00−$13

Cheaper Alternatives to Compare

Quick links for cost-down decisions before production rollout.

Z.ai: GLM 4.5 Air vs Arcee AI: Trinity Large Preview (free)Z.ai: GLM 4.5 Air vs Arcee AI: Trinity Mini (free)Z.ai: GLM 4.5 Air vs Google: Gemma 3 12B (free)Z.ai: GLM 4.5 Air vs Google: Gemma 3 27B (free)

FAQ

Common pricing and benchmark questions for Z.ai: GLM 4.5 Air.

How much does Z.ai: GLM 4.5 Air cost per 1M input tokens?

Z.ai: GLM 4.5 Air input pricing is $0.1300 per 1M tokens based on the latest synced provider data.

How much does Z.ai: GLM 4.5 Air cost per 1M output tokens?

Z.ai: GLM 4.5 Air output pricing is $0.8500 per 1M tokens based on the latest synced provider data.

What context window does Z.ai: GLM 4.5 Air support?

Z.ai: GLM 4.5 Air supports a context window of 131,072 tokens.

How can I compare Z.ai: GLM 4.5 Air with cheaper alternatives?

Use the comparison links on this page to open direct model-vs-model pricing and benchmark pages, then evaluate monthly spend projections for your workload.