GLM 4.5 Air Pricing
FastZhipu AI · 131K tokens context
GLM 4.5 Air from Zhipu AI costs $0.130 per 1 million input tokens and $0.850 per 1 million output tokens as of July 2026 (live OpenRouter data). The model supports a 131,072-token context window (approximately 98,304 words) with a 98K-token maximum output. A typical 1,000-token request costs $0.0001 in input charges; a 10,000-token request costs $0.0013.
| Input price | $0.130 / 1M tokens |
|---|---|
| Output price | $0.850 / 1M tokens |
| Output / input ratio | 6.5× |
| Context window | 131,072 tokens (~98,304 words) |
| Maximum output | 98,304 tokens |
| Cost per 1K tokens (input) | $0.0001 |
| Tier | Fast |
| Last verified |
GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications.
Input Price
$0.130
per 1 million tokens
Output Price
$0.850
per 1 million tokens
Context Window
131K tokens
max 98K output
Cost Examples
| Request Type | Tokens | Input Cost | Output Cost |
|---|---|---|---|
| 1,000 word article | 1,333 | $0.000173 | $0.00034 |
| 10-page document (2,500 words) | 3,333 | $0.000433 | $0.00085 |
| 1,000 lines of code | 5,000 | $0.00065 | $0.00128 |
| 100K token document | 100,000 | $0.013 | $0.0255 |
Output cost estimated at 30% of input token count. Use the calculator for exact figures.
Strengths
- ✓Extremely cheap at $0.130/1M input tokens
- ✓Low latency for high-throughput workloads
- ✓Cost-effective at scale
Limitations
- –Less capable than flagship models on complex reasoning
- –Quality and availability can vary by hosting provider
Best Use Cases
Calculate GLM 4.5 Air Costs
Use the TokenRate calculator to convert any budget, token count, or text into exact GLM 4.5 Air costs — and compare across all models.
Open Calculator →GLM 4.5 Air — FAQ
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