Z-ai

Z.ai: GLM 4.5 Air

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...

Context Window
131K tokens
Parameters
N/A
Input Price
$0.13/1M
Output Price
$0.85/1M
Price Tier
budget
Provider
Z-ai

How to Use Z.ai: GLM 4.5 Air

With CoreAI, you can start chatting with Z.ai: GLM 4.5 Air instantly — no separate subscription needed. CoreAI lets you chat with Z.ai: GLM 4.5 Air alongside 300+ other AI models from Z-ai and other providers like OpenAI, Anthropic, Google, Meta, and more.

  1. Download the CoreAI app for iOS, Android, or use the Web App
  2. Select Z.ai: GLM 4.5 Air from the model selector
  3. Start chatting, comparing, or creating with AI

Z.ai: GLM 4.5 Air at a Glance

Measured against all 412 chat models CoreAI serves, Z.ai: GLM 4.5 Air sits at #294 for context capacity — 131K tokens, roughly 98,304 words or 197 pages of text in a single conversation. On price, it is the #82 cheapest of 134 budget-tier models by input cost. It joined the catalog on 2025-07-25. It supports step-by-step reasoning (thinking mode).

Z.ai: GLM 4.5 Air Compared to Its Closest Alternatives

SpecZ.ai: GLM 4.5 AirZ.ai: GLM 5.3 Flash (batch)IBM: Granite 4.2 8BIBM: Granite 4.0 Micro
ProviderZ-aiZ-aiIbm-graniteIbm-granite
Input $/1M tokens$0.13$0.15$0.1$0.017
Output $/1M tokens$0.85$0.5$0.15$0.112
Context window131K1.0M131K131K
Reasoning modeYesYesYesNo
Image inputNoYesNoNo
Price tierbudgetbudgetbudgetbudget

Every model in this table is available on CoreAI — open the web app and run the same prompt through Z.ai: GLM 4.5 Air and Z.ai: GLM 5.3 Flash (batch) side by side to judge with your own eyes.

What Z.ai: GLM 4.5 Air Actually Costs in Practice

A typical question (about 1,000 tokens in, 500 out) runs $0.00055 on Z.ai: GLM 4.5 Air's raw per-token rates; a heavy session with a 50K-token document costs about $0.011. On CoreAI you don't juggle these numbers — one subscription covers Z.ai: GLM 4.5 Air and 300+ other models under a plan usage limit, with no API keys. See plans.

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Frequently Asked Questions about Z.ai: GLM 4.5 Air

What is Z.ai: GLM 4.5 Air's context window?

Z.ai: GLM 4.5 Air handles 131K tokens of context — roughly 98,304 words, or about 197 pages of text in one conversation.

How much does Z.ai: GLM 4.5 Air cost?

Z.ai: GLM 4.5 Air's underlying rates are $0.13 per 1M input tokens and $0.85 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.

Can Z.ai: GLM 4.5 Air process images?

No — Z.ai: GLM 4.5 Air is text-only. If you need image understanding, its budget-tier peers with vision are listed in the comparison table above.

Does Z.ai: GLM 4.5 Air support reasoning or thinking mode?

Yes. Z.ai: GLM 4.5 Air can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.

How can I use Z.ai: GLM 4.5 Air without an API key?

Open the CoreAI web app or the iOS/Android app, pick Z.ai: GLM 4.5 Air in the model selector, and chat — no API key, no per-token billing. One subscription covers Z.ai: GLM 4.5 Air and 300+ other models.

What are the best alternatives to Z.ai: GLM 4.5 Air?

The closest alternatives on CoreAI are Z.ai: GLM 5.3 Flash (batch), IBM: Granite 4.2 8B, IBM: Granite 4.0 Micro — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.

Read More about Z.ai: GLM 4.5 Air

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