Z.ai: GLM 5.3 FlashX

Zhipu AI · 1049K token context · multimodal

Pricing: $1.03 per 1M input tokens, $4.11 per 1M output tokens

GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and linear attention architecture...

Pricing

$1.03 per 1M input tokens and $4.11 per 1M output tokens. Billing is per token: input tokens are charged at the input rate and output tokens at the output rate, from one llmka.dev balance.

Prices checked 2026-11-04

Context and limits

The context window is 1,048,576 tokens (1049K).

The maximum output is 131,072 tokens.

When to use Z.ai: GLM 5.3 FlashX

Z.ai: GLM 5.3 FlashX (model ID `glm-5.3-flashx`) takes text, image, video input and returns text output.

Supported features in the catalog: function calling (tools), streamed responses over SSE, JSON-schema structured output.

Use Z.ai: GLM 5.3 FlashX for text generation and chat.

FAQ

How much does Z.ai: GLM 5.3 FlashX cost?

$1.03 per 1M input tokens and $4.11 per 1M output tokens. Billing is per token: input tokens are charged at the input rate and output tokens at the output rate, from one llmka.dev balance.

What is the context window and output limit of Z.ai: GLM 5.3 FlashX?

The context window is 1,048,576 tokens (1049K). The maximum output is 131,072 tokens.

How do I get access to Z.ai: GLM 5.3 FlashX?

Create an API key in the llmka.dev dashboard and send requests to model "glm-5.3-flashx" at https://api.llmka.dev/v1. The endpoint is OpenAI-compatible. One key and one balance cover all models on the gateway.

Links

All models and prices · API documentation · Quick start

Available through the llmka.dev gateway: OpenAI- and Anthropic-compatible endpoints, one key, USDT top-up.