# GLM 5.3 (50% off)

GLM 5.3 delivers comprehensive advancements in complex software engineering and agent capabilities. It uses the same base model as GLM-5.2, with all improvements driven by post-training.

- **Model ID:** `zai/glm-5.3-promo-50`
- **Type:** chat
- **Providers:** digitalocean
- **Context window:** 1,048,576
- **Maximum output tokens:** 1,048,576
- **Pricing:** $0.7/1M input tokens, $2.2/1M output tokens
- **Canonical page:** https://vercel.com/ai-gateway/models/glm-5.3-promo-50

## Supported parameters

Detailed capability metadata has not been reported for this model.

## Example

```ts
import { streamText } from 'ai'

const result = streamText({
  model: 'zai/glm-5.3-promo-50',
  prompt: 'Why is the sky blue?'
})
```

## Links

- [Model page](https://vercel.com/ai-gateway/models/glm-5.3-promo-50)
- [AI Gateway documentation](https://vercel.com/docs/ai-gateway)
- [Provider model documentation](https://docs.digitalocean.com/products/inference/details/models/)