Question 1

What is the cost of GLM 5.3 Prime by OpenRouter?

Accepted Answer

GLM 5.3 Prime by OpenRouter costs $2.80 per 1M input tokens and $8.80 per 1M output tokens. Cached reads cost $0.56 per 1M tokens.

Question 2

What is the context window of GLM 5.3 Prime by OpenRouter?

Accepted Answer

GLM 5.3 Prime by OpenRouter 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 Prime by OpenRouter?

Accepted Answer

GLM 5.3 Prime by OpenRouter supports advanced reasoning, tool calling/function calling, adjustable temperature. It has closed weights.

Question 4

What input and output types does GLM 5.3 Prime support?

Accepted Answer

GLM 5.3 Prime by OpenRouter accepts text as input and can generate text as output.

Question 5

Does GLM 5.3 Prime by OpenRouter support reasoning?

Accepted Answer

Yes, GLM 5.3 Prime by OpenRouter supports advanced reasoning capabilities.

Question 6

Is GLM 5.3 Prime by OpenRouter open source?

Accepted Answer

No, GLM 5.3 Prime by OpenRouter has closed weights. The model is only available through the OpenRouter API.

Question 7

Does GLM 5.3 Prime support function calling?

Accepted Answer

Yes, GLM 5.3 Prime by OpenRouter supports tool calling (also known as function calling), allowing it to interact with external tools and APIs during conversations.

GLM 5.3 Prime API

Input Modalities

Output Modalities

Standard (per 1M tokens)

Caching (per 1M tokens)