Z.ai: GLM 4.5 Air (free)
🇨🇳 Z.ai（智譜） · GLM 4.5
Input Price Free per million tokens NT$0
Output Price Free per million tokens NT$0
Context Window 131K tokens Output limit: 96K
OpenRouter Route Price Please verify with official pricing pages
| Dimension | Unit | Price (USD) |
|---|---|---|
| Input | per 1M tokens | Free |
| Output | per 1M tokens | Free |
- Provider
- Z.ai（智譜） (Z.ai (Zhipu))
- Model Family
- GLM 4.5
- Version String
- z-ai/glm-4.5-air:free
- Status
- active
- Modality
- text
- Context Window
- 131,072 tokens
- Output Limit
- 96,000 tokens
90-Day Price Trend
Input / Output price (USD per 1M tokens)
Past 90 days of records; every price change is shown here
| Date | Dimension | Price (USD) | Source |
|---|---|---|---|
| 2026-05-27 | Output | Free | openrouter |
| 2026-05-27 | Input | Free | openrouter |
| 2026-05-26 | Output | Free | openrouter |
| 2026-05-26 | Input | Free | openrouter |
| 2026-05-25 | Output | Free | openrouter |
| 2026-05-25 | Input | Free | openrouter |
| 2026-05-24 | Output | Free | openrouter |
| 2026-05-24 | Input | Free | openrouter |
| 2026-05-23 | Output | Free | openrouter |
| 2026-05-23 | Input | Free | openrouter |
| 2026-05-22 | Output | Free | openrouter |
| 2026-05-22 | Input | Free | openrouter |
| 2026-05-22 | Output | Free | openrouter |
| 2026-05-22 | Input | Free | openrouter |
| 2026-05-21 | Output | Free | openrouter |
| 2026-05-21 | Input | Free | openrouter |
| 2026-05-20 | Output | Free | openrouter |
| 2026-05-20 | Input | Free | openrouter |
| 2026-05-19 | Output | Free | openrouter |
| 2026-05-19 | Input | Free | openrouter |
| 2026-05-18 | Output | Free | openrouter |
| 2026-05-18 | Input | Free | openrouter |
| 2026-05-17 | Output | Free | openrouter |
| 2026-05-17 | Input | Free | openrouter |
| 2026-05-16 | Output | Free | openrouter |
| 2026-05-16 | Input | Free | openrouter |
| 2026-05-16 | Output | Free | openrouter |
| 2026-05-16 | Input | Free | openrouter |
| 2026-05-16 | Output | Free | openrouter |
| 2026-05-16 | Input | Free | openrouter |
| 2026-05-16 | Output | Free | openrouter |
| 2026-05-16 | Input | Free | openrouter |
| 2026-05-15 | Output | Free | openrouter |
| 2026-05-15 | Input | Free | openrouter |
| 2026-05-14 | Output | Free | openrouter |
| 2026-05-14 | Input | Free | openrouter |
| 2026-05-13 | Output | Free | openrouter |
| 2026-05-13 | Input | Free | openrouter |
| 2026-05-12 | Output | Free | openrouter |
| 2026-05-12 | Input | Free | openrouter |
| 2026-05-11 | Output | Free | openrouter |
| 2026-05-11 | Input | Free | openrouter |
| 2026-05-10 | Output | Free | openrouter |
| 2026-05-10 | Input | Free | openrouter |
| 2026-05-10 | Output | Free | openrouter |
| 2026-05-10 | Input | Free | openrouter |
| 2026-05-09 | Output | Free | openrouter |
| 2026-05-09 | Input | Free | openrouter |
| 2026-05-09 | Output | Free | openrouter |
| 2026-05-09 | Input | Free | openrouter |
Description
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...
Key Insights
Key data points from this page for quick reference and citation.
- Z.ai: GLM 4.5 Air (free) Input price: $0/M tokens
- Z.ai: GLM 4.5 Air (free) Output price: $0/M tokens
- Context window: 131,072 tokens
- Provider: Z.ai (Zhipu)
- Model family: GLM 4.5
- Modalities: text
- Data source: OpenRouter, updated daily