Question 1

What is the cost of GLM 5.3 FlashX by OpenRouter?

Accepted Answer

GLM 5.3 FlashX by OpenRouter costs $0.37 per 1M input tokens and $1.25 per 1M output tokens. Cached reads cost $0.09 per 1M tokens.

Question 2

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

Accepted Answer

GLM 5.3 FlashX 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 FlashX by OpenRouter?

Accepted Answer

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

Question 4

What input and output types does GLM 5.3 FlashX support?

Accepted Answer

GLM 5.3 FlashX by OpenRouter accepts text, image, video as input and can generate text as output.

Question 5

Does GLM 5.3 FlashX by OpenRouter support reasoning?

Accepted Answer

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

Question 6

Is GLM 5.3 FlashX by OpenRouter open source?

Accepted Answer

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

Question 7

Does GLM 5.3 FlashX support function calling?

Accepted Answer

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

GLM 5.3 FlashX API

Input Modalities

Output Modalities

Standard (per 1M tokens)

Caching (per 1M tokens)