Should you use Z.ai: GLM 4.5 Air?
Z.ai: GLM 4.5 Air is listed for chat workloads and supports a 131K context window.
Use the comparison and availability sections before choosing this listing, because it is not currently marked as free.
Z.ai: GLM 4.5 Air is listed for chat workloads and supports a 131K context window.
Use the comparison and availability sections before choosing this listing, because it is not currently marked as free.
We only found this glm-air listing on OpenRouter in the current catalog. Use the related models section for nearby alternatives.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | Z.ai: GLM 4.5 Air | Paid | 131K | OpenAI-style | 200 req/day (free tier) |
| Model | Provider | Context | Access |
|---|---|---|---|
| Poolside: Laguna XS 2.1 (free) | OpenRouter | 262K | Free tier |
| Cohere: North Mini Code (free) | OpenRouter | 256K | Free tier |
| NVIDIA: Nemotron 3.5 Content Safety (free) | OpenRouter | 128K | Free tier |
| NVIDIA: Nemotron 3 Ultra (free) | OpenRouter | 1.0M | Free tier |
| NVIDIA: Nemotron 3 Nano Omni (free) | OpenRouter | 256K | Free tier |
Z.ai: GLM 4.5 Air is tagged for chat in this catalog and works with OpenAI-compatible client libraries.
Z.ai: GLM 4.5 Air is not currently marked as free on OpenRouter.
The model ID shown in this catalog is z-ai/glm-4.5-air.
The listed free tier limit is 200 req/day (free tier). Limits can change per account tier, so confirm against the provider dashboard.
The listed context window is 131K tokens with up to 98K output tokens.
Lighter GLM-4.5 variant for fast coding assistance and cheaper agents
For API keys, setup steps, and provider-level limits, see the OpenRouter provider page.