GLM 4.5 Air

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...

InputText
OutputText
Input / Outputclub$0.212 / $1.166per 1M tokens · USD
Context window131.1Ktoken
Maximum output98.3Ktoken

Pricing

Current model usage rates. Choose your plan to see its published prices.

Pricing
UsagePricing
InputUS$0.212/ 1M token
Cache readUS$0.0318/ 1M token
OutputUS$1.166/ 1M token

Membership and model usage are billed separately. Compare plans

Capabilities

Input
Text
Output
Text
Context window
131,072 token
Maximum output
98,304 token

Providers

Model supply available through Vecbase.

Via OpenRouter

Access is subject to your account’s permissions and model availability.

Frequently asked questions

What is GLM 4.5 Air, and who develops it?

GLM 4.5 Air is a model from z-ai. Its model ID on Vecbase is 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...

How much does GLM 4.5 Air cost on Vecbase?

For GLM 4.5 Air, the Club plan lists USD 0.212 per 1 million input tokens and USD 1.166 per 1 million output tokens, as of 10/22/2026, 6:56:08 PM UTC. See the pricing table for cache rates, input-length tiers and other usage types. Membership fees are separate.

How many tokens fit in GLM 4.5 Air’s context window?

GLM 4.5 Air has a context window of 131,072 tokens. Input and output must fit within the limits of the API you use.

What is the maximum output length for GLM 4.5 Air?

GLM 4.5 Air can generate up to 98,304 tokens per response. Your API or request settings may set a lower limit.

Can GLM 4.5 Air call tools in an agent workflow?

Yes. GLM 4.5 Air supports tool calling. Your application provides the tool definitions and runs the tools the model requests.

Which input and output formats does GLM 4.5 Air support?

GLM 4.5 Air accepts Text and produces Text.

Which providers make GLM 4.5 Air available through Vecbase?

Vecbase offers GLM 4.5 Air through OpenRouter. Availability may vary by provider.

Which model ID should an agent use to request GLM 4.5 Air?

Use z-ai/glm-4.5-air as the model identifier for GLM 4.5 Air. See Vecbase’s API documentation for authentication, required inputs and supported request formats.

What does an agent need to access GLM 4.5 Air through Vecbase?

To use GLM 4.5 Air, you need an authenticated account with the required permissions, sufficient balance and the relevant capability enabled. See the documentation for setup.

Is a release date available for GLM 4.5 Air?

We do not yet have a confirmed release date for GLM 4.5 Air.

Which models can I compare with GLM 4.5 Air on Vecbase?

You can compare GLM 4.5 Air with GLM 4.5 (z-ai/glm-4.5), GLM 4.5V (z-ai/glm-4.5v), and GLM 4.6 (z-ai/glm-4.6). Check their capabilities and prices to find the best fit for your task.