# Seed 2.1 Turbo

Seed 2.1 Turbo is ByteDance’s multimodal language model supporting text, image, and video inputs with text output. It offers a 262,144-token context window, reasoning, function calling, and structured JSON output.

- **Model ID:** `bytedance/seed-2.1-turbo`
- **Type:** chat
- **Providers:** bytedance
- **Context window:** 262,144
- **Maximum output tokens:** 262,144
- **Pricing:** $0.5/1M input tokens, $2.5/1M output tokens
- **Canonical page:** https://vercel.com/ai-gateway/models/seed-2.1-turbo

## Supported parameters

Detailed capability metadata has not been reported for this model.

## Example

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

const result = streamText({
  model: 'bytedance/seed-2.1-turbo',
  prompt: 'Why is the sky blue?'
})
```

## Links

- [Model page](https://vercel.com/ai-gateway/models/seed-2.1-turbo)
- [AI Gateway documentation](https://vercel.com/docs/ai-gateway)
- [Provider model documentation](https://console.byteplus.com/ark/region:ap-southeast-1/model/detail?name=dola-seed-2-1-turbo)
- [Provider pricing](https://console.byteplus.com/ark/region:ap-southeast-1/model/detail?name=dola-seed-2-1-turbo)