GLM 4.5 Air

GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications. Like GLM-4.5, it adopts the Mixture-of-Experts (MoE) architecture but wit

Creator: Zhipu AI
Lifecycle: Active
Context: 131.1K
Max output: 96.0K
Released: Jul 25, 2025
Status: unknown

Input: $0.00 / 1M tokens
Output: $0.00 / 1M tokens
Cached read: — / 1M tokens
Cached write: — / 1M tokens
Batch discount: —%
Source: OpenRouter
Verified: Apr 5, 2026 (High)

Capabilities

Modalities: text→text
Capabilities: reasoningfunctionCalling

Official Links

Intro

https://openrouter.ai/z-ai/glm-4.5-air

Docs

https://openrouter.ai/z-ai/glm-4.5-air

Pricing

https://openrouter.ai/models

Benchmark Coverage

Benchmark	Version	Score	Date	Source	Notes

Release History

Release	Alias	Lifecycle	Release Date	Deprecation	Shutdown	Summary
GLM 4.5 Air	z-ai-glm-4-5-air-free	Active	Jul 25, 2025	—	—	Model available via OpenRouter.

Host Coverage

Host	Type	Context	Pricing Note	Differences
OpenRouter	aggregator	131.1K	$0.00/1M in · $0.00/1M out via OpenRouter	—

Migration Guidance

Change Events

Date	Type	Title	Description	Source
Jul 25, 2025	family_added	GLM 4.5 Air published	Model made available via OpenRouter.	OpenRouter

Other models from Zhipu AI

GLM 4 32B, GLM 4.5, GLM 4.5 Air, GLM 4.5V, GLM 4.6, GLM 4.6V, GLM 4.7, GLM 4.7 Flash, GLM 5, GLM 5 Turbo, GLM 5V Turbo