GLM-4.5-Air: API pricing, providers and specs
GLM-4.5-Air is a text model by Zhipu AI. 15 providers serve it, from $0.291 to $1.10 /1M; the lowest price is at ZenMux.
How GLM-4.5-Air compares
Against the 737 text models on the site priced the same way.
- Cheap for its class: at $0.291 /1M, its lowest price undercuts 77% of comparable models (median $1.10).
- Its 131K-token context window is larger than 21% of them (median 262K), about 200 pages of text.
- On LMArena's Text board it ranks #46 of the 120 comparable models scored there.
- 15 providers serve it; 84% of comparable models have fewer.
- Its weights are open under the MIT license: commercial use allowed.
GLM-4.5-Air prices by provider
Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.
| Provider | Input | Output | Prompt caching | Context |
|---|---|---|---|---|
| ZenMux | $0.117/1M | From$0.291/1M | $0.023/1M | 128K |
 SiliconFlow | $0.139/1M | $0.833/1M | — | — |
 AIHubMix | $0.14/1M | $0.84/1M | — | 131K |
 Novita AI | $0.13/1M | $0.85/1M | $0.025/1M | — |
 Hugging Face | $0.13/1M | From$0.85/1M | — | — |
| OpenRouter | $0.13/1M | From$0.85/1M | $0.025/1M | 131K |
| DevPass (LLM Gateway) | $0.13/1M | From$0.85/1M | $0.025/1M | — |
| SiliconFlow | $0.14/1M | $0.86/1M | — | — |
| Z.AIOfficial | $0.20/1M | $1.10/1M | $0.03/1M | — |
 OrcaRouter | $0.20/1M | $1.10/1M | $0.03/1M | 128K |
| Vercel AI Gateway | $0.20/1M | $1.10/1M | $0.03/1M | 128K |
 Impossibl | $0.20/1M | $1.10/1M | $0.03/1M | — |
 Requesty | $0.20/1M | From$1.10/1M | $0.20/1M | 131K |
 Prime Inference | $0.20/1M | $1.10/1M | — | — |
| AI/ML API | $0.20/1M | $1.10/1M | $0.03/1M | — |
- ZenMuxFrom$0.291
- SiliconFlow$0.833
- AIHubMix$0.84
- Novita AI$0.85
- Hugging FaceFrom$0.85
- OpenRouterFrom$0.85
- DevPass (LLM Gateway)From$0.85
- SiliconFlow$0.86
- Z.AIOfficial$1.10
- OrcaRouter$1.10
- Vercel AI Gateway$1.10
- Impossibl$1.10
Specs
- Type
- Text
- Maker
- Zhipu AI
- Inputs
- Text
- Outputs
- Text
- Context
- 131K≈ 200 pages of text
- Max output
- 98K
- Capabilities
- Prompt caching, JSON, Reasoning, Tool calling
- Released
- Jul 20, 2025
- License
- MITcommercial use allowed
- Open weights
- Yes, downloadable
- Parameters
- 110B
- Arena score
- 1384Text
- Monthly searches
- 3K
2 uncensored versions · See them
Alternatives to GLM-4.5-Air
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| GLM-4.5-Airthis model | $0.291/1M | 131K | 1384 | 15 |
 Qwen3.8 27B | $0.50/1M | 262K | 1591 | 33 |
| GPT-6 Luna | $0.40/1M | 1.05M | 1578 | 28 |
| Claude Haiku 5.5 | $0.30/1M | 1M | 1585 | 27 |
 MiMo-V2.6-Pro | $0.696/1M | 1.05M | 1625 | 21 |
| Qwen3.8 Flash Next | $0.376/1M | 262K | 1628 | 5 |
 DeepSeek V4 Flash | $0.17/1M | 1.05M | — | 26 |
| DeepSeek V4 Flash Vision Exp | $0.294/1M | 1.05M | — | 26 |
| DeepSeek V4 Pro | $0.418/1M | 1.05M | — | 33 |
More from Zhipu AI
GLM-5.3Zhipu AI$1.10/1MGLM-5.3-FlashZhipu AI$0.20/1MGLM-5.2Zhipu AI$1.80/1MGLM-5Zhipu AI$1.28/1MGLM OCRZhipu AI$0.028/1MGLM-4.7-FlashZhipu AI$0.40/1MGLM-5.1Zhipu AI$1.44/1MGLM 5.3 FlashxZhipu AI$0.987/1MGLM-4.5-Air FAQ
ZenMux, at $0.291 /1M. 15 providers serve GLM-4.5-Air; the table above lists every one with its price.
GLM-4.5-Air reads up to 131K tokens per request and writes up to 98K.
Yes. GLM-4.5-Air's weights can be downloaded from its maker's Hugging Face page, under the MIT license.
About 110B, as the safetensors metadata of its official Hugging Face repo states.
15 API providers serve GLM-4.5-Air. Compare their prices above, or open a provider to see everything it offers.
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