# GLM-4.5-Flash API pricing

GLM-4.5-Flash is only on record at providers that price it at 0 (as of 2026-11-12). Context window: 131K tokens, up to 98.3K output tokens per request.

- Type: Text
- Context: 131K
- Max output: 98.3K
- Released: 2025-07-28
- Open weights: No

## Price by provider (USD per 1M tokens)

| Provider | Model id | Input | Output | Cached | Notes |
| --- | --- | --- | --- | --- | --- |
| [Zhipu AI](https://docs.bigmodel.cn/cn/guide/start/pricing) | glm-4.5-flash | $0 | $0 | $0 | Official |
| [EmpirioLabs AI](https://docs.empiriolabs.ai) | glm-4-5-flash | $0 | $0 | — |  |
| [Tempr Gateway](https://temprhq.io/docs/gateway-reference.html) | zai/glm-4.5-flash | $0 | $0 | $0 |  |
| [UnoRouter](https://unorouter.com/models) | glm-4.5-flash:free | $0 | $0 | — |  |
| [Z.AI](https://docs.z.ai/guides/overview/pricing) | glm-4.5-flash | $0 | $0 | $0 |  |

Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.

Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.

https://apibook.ai/models/zhipuai/glm-4.5-flash/