OpenRouter logo

Z.ai: GLM 4.5 Air pricing and alternatives

Paid / limited
★★★★★★★★★★ 3.5 Benchmark-backed score

Lighter GLM-4.5 variant for fast coding assistance and cheaper agents

Paid / limitedOpenAI compatibleReasoningTool callingTextReasoning
No current free listing. This page is kept for comparison and SEO continuity. Check the alternatives below before integrating.
Context window 131K
Max output 98K
API format OpenAI-style
Status Online
AI Recommendation

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.

Best for
  • Chat
Strengths & Weaknesses

Strengths

  • Long context window
  • Reasoning mode listed
  • Tool calling support
  • Works with OpenAI-style SDKs

Watch outs

  • No current free listing on this provider
  • Free-tier rate limits apply
  • Vision support is not listed
Benchmark Overview

Benchmark signals for Z.ai: GLM 4.5 Air

Measured data
Intelligence General reasoning and instruction following
16.5/100
Speed Observed generation speed
69 tok/s
Context Maximum listed context window
131K
Pricing

Z.ai: GLM 4.5 Air pricing per 1M tokens

Provider pricing
Input $0.17 per 1M tokens
Output $0.98 per 1M tokens
Free access Not listed OpenRouter
Rate limit 200 req/day (free tier) provider policy
Availability

Z.ai: GLM 4.5 Air availability by provider

Current provider only

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
OpenRouter Z.ai: GLM 4.5 Air Paid 131K OpenAI-style 200 req/day (free tier)
View OpenRouter setup guide →
Typical Use Cases

Z.ai: GLM 4.5 Air use cases

Chat

Z.ai: GLM 4.5 Air is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

Z.ai: GLM 4.5 Air free API FAQ

Is Z.ai: GLM 4.5 Air free to use?

Z.ai: GLM 4.5 Air is not currently marked as free on OpenRouter.

What is the Z.ai: GLM 4.5 Air model ID?

The model ID shown in this catalog is z-ai/glm-4.5-air.

What are the Z.ai: GLM 4.5 Air free tier rate limits on OpenRouter?

The listed free tier limit is 200 req/day (free tier). Limits can change per account tier, so confirm against the provider dashboard.

What context window does Z.ai: GLM 4.5 Air support?

The listed context window is 131K tokens with up to 98K output tokens.

More about Z.ai: GLM 4.5 Air

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.