GLM-4.5-Air
As of Oct 4, 2026, the cheapest GLM-4.5-Air API price is $0.1 per 1M input tokens (submodel) and $0.2911 per 1M output tokens (ZenMux). GLM-4.5-Air is offered by 17 providers in the glm-air family, open weights, reasoning enabled. Z.AI's own rate is $1.1 per 1M output tokens.
API pricing by provider
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.
| Provider | 1M input | 1M output | 1M cache read | 1M cache write | Context | Changed |
|---|---|---|---|---|---|---|
| ZenMuxopen | $0.1165 | Cheapest$0.2911 | $0.0233 | — | 128k | 14d agoout −48% |
| submodelopen | Cheapest$0.1 | $0.5 | — | — | 131k | — |
| NanoGPTopen | $0.12 | $0.8 | $0.06 | — | 128k | — |
| NanoGPTopen | $0.12 | $0.8 | $0.06 | — | 128k | — |
| Hugging Faceopen | $0.13 | $0.85 | — | — | 131k | — |
| Kilo Gatewayopen | $0.13 | $0.85 | $0.025 | — | 131k | — |
| DevPass (LLM Gateway)open | $0.13 | $0.85 | $0.025 | free | 131k | — |
| NovitaAIopen | $0.13 | $0.85 | $0.025 | — | 131k | — |
| OpenRouteropen | $0.13 | $0.85 | $0.025 | — | 131k | — |
| Impossiblopen | $0.2 | $1.1 | $0.03 | — | 131k | — |
| LLM Gatewayopen | $0.2 | $1.1 | $0.03 | — | 128k | — |
| Merge Gatewayopen | $0.2 | $1.1 | $0.03 | free | 128k | — |
| OrcaRouteropen | $0.2 | $1.1 | $0.03 | free | 131k | — |
| Tempr Gatewayopen | $0.2 | $1.1 | $0.03 | free | 131k | — |
| Vercel AI Gatewayopen | $0.2 | $1.1 | $0.03 | — | 128k | — |
| Z.AIopen | $0.2 | $1.1 | $0.03 | free | 131k | — |
| Zhipu AIopen | $0.2 | $1.1 | $0.03 | free | 131k | — |
GLM-4.5-Air pricing FAQ
What is the cheapest GLM-4.5-Air API?
As of Oct 4, 2026, ZenMux has the lowest GLM-4.5-Air output price at $0.2911 per 1M tokens, and submodel has the lowest input price at $0.1 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How much does GLM-4.5-Air cost on Z.AI?
Z.AI charges $0.2 per 1M input tokens and $1.1 per 1M output tokens for GLM-4.5-Air.
How many providers offer GLM-4.5-Air?
17 providers list GLM-4.5-Air on Sovyron; 17 of them sell it at a metered per-token price.
Is GLM-4.5-Air free?
No provider in the Sovyron catalog lists a free tier for GLM-4.5-Air.
What is the context window of GLM-4.5-Air?
GLM-4.5-Air supports a 131k-token context window and up to 131k output tokens.