GLM-5.3-Flash: API pricing, providers and specs
GLM-5.3-Flash is a text model by Zhipu AI. 45 providers serve it, from $0.20 to $0.625 /1M; the lowest price is at APIMart.
How GLM-5.3-Flash compares
Against the 737 text models on the site priced the same way.
- Cheap for its class: at $0.20 /1M, its lowest price undercuts 85% of comparable models (median $1.10).
- Its 1.05M-token context window is larger than 83% of them (median 262K), about 1570 pages of text.
- On LMArena's WebDev board it ranks #22 of the 64 comparable models scored there.
- 45 providers serve it; 100% of comparable models have fewer.
- Its weights are open under the MIT license: commercial use allowed.
GLM-5.3-Flash 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 |
|---|---|---|---|---|
 Nvidia | Free/1M | Free/1M | — | — |
| APIMart | $0.06/1M | $0.20/1M | — | — |
| ZenMux | $0.075/1M | From$0.25/1M | $0.015/1M | 1M |
 EmpirioLabs AI | $0.075/1M | $0.25/1M | $0.075/1M | 1M |
 FastRouter | $0.075/1M | $0.25/1M | $0.015/1M | 1.31M |
| DevPass (LLM Gateway) | $0.09/1M | From$0.28/1M | $0.02/1M | — |
 Kenari | $0.11/1M | $0.331/1M | $0.022/1M | — |
 Opper | $0.10/1M | $0.35/1M | $0.02/1M | — |
 Cortecs | $0.101/1M | $0.351/1M | $0.018/1M | — |
 AIHubMix | $0.113/1M | $0.394/1M | $0.032/1M | 1.05M |
 Boundless | $0.12/1M | $0.40/1M | $0.024/1M | — |
 CometAPI | $0.12/1M | From$0.40/1M | $0.024/1M | — |
 CrazyRouter | $0.119/1M | From$0.415/1M | — | — |
 Requesty | $0.12/1M | From$0.46/1M | $0.023/1M | 1M |
 OrcaRouter | $0.15/1M | $0.50/1M | $0.03/1M | 1M |
| Z.AIOfficial | $0.15/1M | From$0.50/1M | $0.03/1M | — |
 CrossModel | $0.15/1M | $0.50/1M | $0.03/1M | — |
 Ofox | $0.15/1M | From$0.50/1M | $0.03/1M | 1.05M |
 Novita AI | $0.15/1M | $0.50/1M | $0.03/1M | — |
 Cloudflare Workers AI | $0.15/1M | $0.50/1M | — | — |
 Venice AI | $0.15/1M | $0.50/1M | $0.03/1M | — |
| OpenCode | $0.15/1M | From$0.50/1M | $0.03/1M | — |
 TensorX | $0.20/1M | $0.50/1M | $0.05/1M | — |
 Hugging Face | $0.15/1M | From$0.50/1M | — | — |
 Mistral | $0.15/1M | $0.50/1M | $0.03/1M | 1.05M |
| Baseten | $0.15/1M | $0.50/1M | $0.03/1M | — |
| Vercel AI Gateway | $0.15/1M | From$0.50/1M | $0.03/1M | 1M |
 NEAR AI Cloud | $0.08/1M | $0.50/1M | $0.012/1M | 1.05M |
 Neuralwatt | $0.15/1M | $0.50/1M | $0.03/1M | — |
 Deep Infra | $0.15/1M | $0.50/1M | $0.03/1M | — |
 Prime Inference | $0.15/1M | $0.50/1M | $0.03/1M | — |
 SiliconFlow | $0.15/1M | $0.50/1M | $0.03/1M | — |
| AI/ML API | $0.15/1M | $0.50/1M | $0.03/1M | — |
 Together AI | $0.15/1M | $0.50/1M | $0.03/1M | — |
| OpenRouter | $0.15/1M | From$0.50/1M | $0.03/1M | 1.05M |
 Perplexity | $0.15/1M | $0.50/1M | $0.03/1M | — |
 APIYI | $0.15/1M | From$0.50/1M | — | — |
| Atlas Cloud | $0.15/1M | $0.50/1M | $0.03/1M | — |
| BytePlus | $0.15/1M | $0.50/1M | $0.03/1M | — |
 Fireworks AI | $0.15/1M | From$0.50/1M | $0.03/1M | — |
 Jiekou.AI | $0.15/1M | $0.50/1M | $0.03/1M | — |
 Impossibl | $0.15/1M | $0.50/1M | $0.03/1M | — |
 Poe | $0.151/1M | From$0.505/1M | $0.03/1M | 1M |
 Charm Hyper | $0.163/1M | $0.544/1M | $0.032/1M | — |
 Azure | $0.188/1M | $0.625/1M | $0.038/1M | — |
- APIMart$0.20
- EmpirioLabs AI$0.25
- FastRouter$0.25
- ZenMuxFrom$0.25
- DevPass (LLM Gateway)From$0.28
- Kenari$0.331
- Opper$0.35
- Cortecs$0.351
- AIHubMix$0.394
- Boundless$0.40
- CometAPIFrom$0.40
- CrazyRouterFrom$0.415
Specs
- Type
- Text
- Maker
- Zhipu AI
- Inputs
- Image, Text, Video
- Outputs
- Text
- Context
- 1.05M≈ 1570 pages of text
- Max output
- 131K
- Capabilities
- Prompt caching, JSON, Reasoning, Tool calling, Vision
- Released
- Aug 25, 2026
- License
- MITcommercial use allowed
- Open weights
- Yes, downloadable
- Parameters
- 321B
- Arena score
- 1608WebDev
- Monthly searches
- 121K
4 uncensored versions · See them
Alternatives to GLM-5.3-Flash
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| GLM-5.3-Flashthis model | $0.20/1M | 1.05M | 1608 | 45 |
 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 |
| 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 |
 Ling 3.1 Flash | $0.225/1M | 262K | — | 5 |
More from Zhipu AI
GLM-5.3Zhipu AI$1.10/1MGLM-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-4.7Zhipu AI$1.10/1MGLM-5.3-Flash FAQ
APIMart, at $0.20 /1M. 45 providers serve GLM-5.3-Flash; the table above lists every one with its price.
GLM-5.3-Flash reads up to 1.05M tokens per request and writes up to 131K.
Yes. GLM-5.3-Flash's weights can be downloaded from its maker's Hugging Face page, under the MIT license.
About 321B, as the safetensors metadata of its official Hugging Face repo states.
45 API providers serve GLM-5.3-Flash. Compare their prices above, or open a provider to see everything it offers.
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