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Z.ai · API model

GLM 4.6

Compared with GLM-4.5, this generation brings several key improvements: Longer context window: The context window has been expanded from 128K to 200K tokens, enabling the model to handle more complex...

Context
205K
Input / 1M
$0.55
Output / 1M
$2.2
Released
Sep 30, 2025
Specifications

GLM 4.6 specs

Provider
Z.ai
Type
API model
Model ID
z-ai/glm-4.6
Context window
204,800 tokens205K
Input price
$0.55per 1M input tokens
Output price
$2.2per 1M output tokens
Accepts
text
Produces
text
Released
Sep 30, 2025
Source
OpenRouter
Overview

About GLM 4.6

GLM 4.6 is an API model from Z.ai, released on Sep 30, 2025, with a context window of 204,800 tokens, pricing of $0.55 per million input tokens and $2.2 per million output tokens. It accepts text input and produces text output.

At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.0077.

Specs are sourced from OpenRouter and were last checked on Oct 23, 2026. Always confirm current pricing and limits with the provider before production use.

Tool callingStructured outputsJSON modeReasoning
FAQ

GLM 4.6 questions

What is the context window of GLM 4.6?

GLM 4.6 supports a context window of 204,800 tokens.

How much does GLM 4.6 cost?

GLM 4.6 is listed at $0.55 per million input tokens and $2.2 per million output tokens on OpenRouter.

When was GLM 4.6 released?

GLM 4.6 was published on Sep 30, 2025.

What inputs does GLM 4.6 accept?

GLM 4.6 accepts text input and produces text output.