Zhipu AI (Z.ai)

GLM-4.6

Generally availableOpen weights205K contextReasoning

Summary

GLM-4.6 is an open-weight language model from Zhipu AI (Z.ai), released on 30 Sept 2025. It accepts text and generates text, with a 205K-token context window and up to 131K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.43 per million input tokens and $1.75 per million output tokens (OpenRouter), across 6 providers we track.

Late GLM-4 workhorse for coding agents, reasoning, and structured tasks

Last verified 4 Oct 2026. Every figure on this page links to its source.

Specifications

DeveloperZhipu AI (Z.ai)
Release date30 Sept 2025 [models.dev]
StatusGenerally available [models.dev]
WeightsOpen weights [Hugging Face]
Licensemit [Hugging Face]
Parameters357B [Hugging Face]
Context window205K (204,800 tokens) [models.dev]
Max output131K tokens [models.dev]
Knowledge cutoffApr 2025 [models.dev]
InputText [models.dev]
OutputText [models.dev]
Reasoning modeYes [models.dev]
Tool callingYes [models.dev]
Hugging Facezai-org/GLM-4.6 [Hugging Face]

GLM-4.6 API pricing by provider

USD per million tokens. Sorted by input price.

ProviderInputOutputCached inputContextSource
OpenRouter
z-ai/glm-4.6
$0.43$1.75$0.08198KOpenRouter, 4 Oct 2026
DeepInfra
zai-org/GLM-4.6
$0.50$2$0.10203Kmodels.dev, 4 Oct 2026
Novita AI
zai-org/glm-4.6
$0.55$2.20$0.11205Kmodels.dev, 4 Oct 2026
Hugging Face Inference Providers
zai-org/GLM-4.6
$0.55$2.20–205Kmodels.dev, 4 Oct 2026
Z.ai API
glm-4.6
$0.60$2.20$0.11205Kmodels.dev, 4 Oct 2026
Vercel AI Gateway
zai/glm-4.6
$0.60$2.20$0.11200Kmodels.dev, 4 Oct 2026

Frequently asked questions

What is the context window of GLM-4.6?

GLM-4.6 has a context window of 204,800 tokens (205K) and can generate up to 131,072 tokens in a single response, according to models.dev.

How much does the GLM-4.6 API cost?

Through Z.ai API, GLM-4.6 costs $0.60 per million input tokens and $2.20 per million output tokens. The lowest listed price is $0.43 input / $1.75 output through OpenRouter. Prices last verified 4 Oct 2026.

Is GLM-4.6 open source?

GLM-4.6 is an open-weight model: its weights are published on Hugging Face as zai-org/GLM-4.6 under the mit license. Check the license terms before commercial use.

When was GLM-4.6 released?

Zhipu AI (Z.ai) released GLM-4.6 on 30 Sept 2025, according to models.dev.

Which providers offer GLM-4.6?

We track GLM-4.6 on 6 providers: OpenRouter, DeepInfra, Novita AI, Hugging Face Inference Providers, Z.ai API, Vercel AI Gateway.

Change history

No changes detected since we started tracking this model. We re-check every source daily.

Sources