GLM-5.1 (Z.AI)

View on Z.AI View on Hugging Face View on OpenRouter

Confirmed uses of GLM-5.1 include generating text. Verified provider routes accept text input and produce text output. Supported combinations depend on the provider route.

Source 1 · Source 2 · Source 3

Identity and capabilities

Status: active
Local execution: Available weights · transformers · mit Hardware requirements and licence restrictions apply.
Context window: 200,000
Maximum output: 128,000
Image input: No
Reasoning: Yes
Tool calling: Yes
Release date: Apr 7, 2026
First seen: 2026-08-29 19:40:01Z UTC
Last verified: 1 min ago

Current offers - prices in USD · per 1M tokens

Prices by provider, service tier, context and offer route
	Hugging Face Inference Providers	Novita AI	OpenRouter	Z.AI
Standard	DeepInfra
Cached input	—	$0.26	$0.1794	$0.26
Input	$1.05	$1.38	$0.966	$1.4
Output	$3.5	$4.4	$3.036	$4.4

Active promotions

31% off z-ai/glm-5.1
OpenRouter · officially stated 31%
Official source

Recent price changes

Effective price decreased · cause unverified
- Input: $1.33 → $0.966
- Output: $4.18 → $3.036
OpenRouterz-ai/glm-5.1detected 15 Oct 2026, 02:49:33 UTC
Effective price increased · cause unverified
- Input: $0.966 → $1.33
- Output: $3.036 → $4.18
OpenRouterz-ai/glm-5.1detected 14 Oct 2026, 02:13:01 UTC