Question 1

What is the cost of GLM 5.1 by Synthetic?

Accepted Answer

GLM 5.1 by Synthetic costs $1.00 per 1M input tokens and $3.00 per 1M output tokens. Cached reads cost $1.00 per 1M tokens.

Question 2

What is the context window of GLM 5.1 by Synthetic?

Accepted Answer

GLM 5.1 by Synthetic has a context window of 197K tokens. It supports up to 197K input tokens and can generate up to 66K output tokens.

Question 3

What are the capabilities of GLM 5.1 by Synthetic?

Accepted Answer

GLM 5.1 by Synthetic supports advanced reasoning, tool calling/function calling, structured output, adjustable temperature. It has open weights.

Question 4

What input and output types does GLM 5.1 support?

Accepted Answer

GLM 5.1 by Synthetic accepts text as input and can generate text as output.

Question 5

Does GLM 5.1 by Synthetic support reasoning?

Accepted Answer

Yes, GLM 5.1 by Synthetic supports advanced reasoning capabilities.

Question 6

Is GLM 5.1 by Synthetic open source?

Accepted Answer

Yes, GLM 5.1 by Synthetic has open weights, meaning the model weights are publicly available for download and self-hosting.

Question 7

Does GLM 5.1 support function calling?

Accepted Answer

Yes, GLM 5.1 by Synthetic supports tool calling (also known as function calling), allowing it to interact with external tools and APIs during conversations.

GLM 5.1 API

Input Modalities

Output Modalities

Standard (per 1M tokens)

Caching (per 1M tokens)

GLM 5.1 API

Input Modalities

Output Modalities

Standard (per 1M tokens)

Caching (per 1M tokens)