Question 1

What is the cost of GLM-5.3 Highspeed by Z.AI Coding Plan?

Accepted Answer

GLM-5.3 Highspeed by Z.AI Coding Plan costs Free per 1M input tokens and Free per 1M output tokens. Cached reads cost Free per 1M tokens. Cache writes cost Free per 1M tokens.

Question 2

What is the context window of GLM-5.3 Highspeed by Z.AI Coding Plan?

Accepted Answer

GLM-5.3 Highspeed by Z.AI Coding Plan has a context window of 1.0M tokens. It supports up to 1.0M input tokens and can generate up to 131K output tokens.

Question 3

What are the capabilities of GLM-5.3 Highspeed by Z.AI Coding Plan?

Accepted Answer

GLM-5.3 Highspeed by Z.AI Coding Plan supports advanced reasoning, tool calling/function calling, structured output, adjustable temperature. It has open weights.

Question 4

What input and output types does GLM-5.3 Highspeed support?

Accepted Answer

GLM-5.3 Highspeed by Z.AI Coding Plan accepts text as input and can generate text as output.

Question 5

Does GLM-5.3 Highspeed by Z.AI Coding Plan support reasoning?

Accepted Answer

Yes, GLM-5.3 Highspeed by Z.AI Coding Plan supports advanced reasoning capabilities.

Question 6

Is GLM-5.3 Highspeed by Z.AI Coding Plan open source?

Accepted Answer

Yes, GLM-5.3 Highspeed by Z.AI Coding Plan has open weights, meaning the model weights are publicly available for download and self-hosting.

Question 7

Does GLM-5.3 Highspeed support function calling?

Accepted Answer

Yes, GLM-5.3 Highspeed by Z.AI Coding Plan supports tool calling (also known as function calling), allowing it to interact with external tools and APIs during conversations.

GLM-5.3 Highspeed API

Input Modalities

Output Modalities

Standard (per 1M tokens)

Caching (per 1M tokens)