AI model · Z.ai
GLM 4.5 Air
Model ID: z-ai/glm-4.5-air
- Input
- $0.13 per 1M tokens
- Output
- $0.85 per 1M tokens
- Context
- 131K tokens at once
- Max output
- 98K tokens per reply
- Released
- 25 Jul 2025 Z.ai
What it can do
- YesReasoning
- YesTool calling
- NoImage input
- YesOpen weights
- NoFree to use
Takes text; gives text.
How its listing describes it
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 with a more compact parameter...
Sources
- Z.ai: GLM 4.5 Air on OpenRouter — read 2 Oct 2026