# GLM 5.3 Flash

GLM-5.3-Flash is Z.ai’s native multimodal coding model, featuring 320B total parameters, 18B activated parameters, and a 1M-token context window. Its efficient hybrid attention architecture supports visual coding, tool use, and end-to-end professional workflows across code, browsers, documents, and graphical interfaces.

- **Model ID:** `zai/glm-5.3-flash`
- **Type:** chat
- **Providers:** zai, baseten, novita, gmicloud, deepinfra, runinfra, wafer, modal, togetherai, morph, parasail, friendli, digitalocean, fireworks, relace, runware, particle, streamlake, boundless, inference-net, tencent, pareto
- **Context window:** 1,048,576
- **Maximum output tokens:** 1,048,576
- **Pricing:** $0.0375/1M input tokens, $0.125/1M output tokens
- **Canonical page:** https://vercel.com/ai-gateway/models/glm-5.3-flash

## 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-flash',
  prompt: 'Why is the sky blue?'
})
```

## Links

- [Model page](https://vercel.com/ai-gateway/models/glm-5.3-flash)
- [AI Gateway documentation](https://vercel.com/docs/ai-gateway)
- [Provider model documentation](https://docs.z.ai/guides/vlm/glm-5.3-flash)