GLM 4.5

z-ai/glm-4.5

GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications. It leverages a Mixture-of-Experts (MoE) architecture and supports a context length of up to 128k tokens. GLM-4.5 delivers significantly...

InputText
OutputText
Input / Outputclub$0.636 / $2.332per 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$0.636/ 1M token
Cache readUS$0.1166/ 1M token
OutputUS$2.332/ 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, and who develops it?

GLM 4.5 is a model from z-ai. Its model ID on Vecbase is z-ai/glm-4.5. GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications. It leverages a Mixture-of-Experts (MoE) architecture and supports a context length of up to 128k tokens. GLM-4.5 delivers significantly...

How much does GLM 4.5 cost on Vecbase?

For GLM 4.5, the Club plan lists USD 0.636 per 1 million input tokens and USD 2.332 per 1 million output tokens, as of 10/22/2026, 6:54:00 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’s context window?

GLM 4.5 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?

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

Can GLM 4.5 call tools in an agent workflow?

Yes. GLM 4.5 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 support?

GLM 4.5 accepts Text and produces Text.

Which providers make GLM 4.5 available through Vecbase?

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

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

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

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

To use GLM 4.5, 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?

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

Which models can I compare with GLM 4.5 on Vecbase?

You can compare GLM 4.5 with GLM 4.5 Air (z-ai/glm-4.5-air), 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.