GLM-4.5-Air by Zhipu AI demonstrates competitive pricing. View detailed benchmark data including scores across coding, math, reasoning, speed, and cost metrics.
Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.
Coding Benchmarks
Human preference ELO for building things — websites, UI, games, charts, SVG
Design Arena (via OpenRouter)Human preference ELO for building a working web page from a brief
Design Arena (via OpenRouter)Reasoning Benchmarks
Multi-turn service agent making tool calls under strict policy constraints
OpenRouter (measured)Cost Benchmarks
Cost per 1M cached input tokens — the price that actually applies to a long agent conversation
OpenRouter APIContext Benchmarks
Available from 16 providers
The same model costs different amounts depending on who serves it. You can bring your own key for 4 of these — connect it here.
| Provider | Input / 1M | Output / 1M | Cached in | Context | Your key |
|---|---|---|---|---|---|
| submodel | $0.1 | $0.5 | — | 131K | — |
| ZenMux | $0.11 | $0.56 | $0.02 | 128K | — |
| NanoGPT | $0.12 | $0.8 | $0.06 | 128K | — |
| DevPass (LLM Gateway) | $0.13 | $0.85 | $0.025 | 131K | — |
| Hugging Face | $0.13 | $0.85 | — | 131K | Supported |
| Kilo Gateway | $0.13 | $0.85 | $0.025 | 131K | — |
| NovitaAI | $0.13 | $0.85 | $0.025 | 131K | — |
| OpenRouter | $0.13 | $0.85 | $0.025 | 131K | Supported |
| Impossibl | $0.2 | $1.1 | $0.03 | 131K | — |
| LLM Gateway | $0.2 | $1.1 | $0.03 | 128K | — |
| Merge Gateway | $0.2 | $1.1 | $0.03 | 128K | — |
| OrcaRouter | $0.2 | $1.1 | $0.03 | 131K | — |
| Vercel AI Gateway | $0.2 | $1.1 | $0.03 | 128K | Supported |
| Z.AI | $0.2 | $1.1 | $0.03 | 131K | — |
| Zhipu AI | $0.2 | $1.1 | $0.03 | 131K | Supported |
| Qiniu | — | — | — | 131K | — |
GLM-4.5-Air — Benchmark Scores Overview
Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).
Compare GLM-4.5-Air With
GLM-4.5-Air — Frequently Asked Questions
How much does GLM-4.5-Air cost?
GLM-4.5-Air costs $0.13 per 1M input tokens and $0.85 per 1M output tokens. This makes it one of the more affordable models.
What is the context window of GLM-4.5-Air?
GLM-4.5-Air has a context window of 131K tokens. This determines how much text, conversation history, and code the model can process in a single request.
Who created GLM-4.5-Air?
GLM-4.5-Air was created by Zhipu AI. It is classified as a open source model in our catalogue.
Is GLM-4.5-Air open source?
Yes, GLM-4.5-Air is an open-source model. The model weights are publicly available for download and self-hosting.