---
title: "Doubao Seed Character API pricing"
canonical: https://uplinkswitch.ai/models/doubao-seed-character
generated: 2026-10-25T13:54:43.194Z
source: https://api.uplinkswitch.com/v1/catalog
base_url: https://api.uplinkswitch.com/v1
---

# Doubao Seed Character API pricing

Doubao Seed Character API at $0.525/M input and $1.295/M output tokens. 128,000-token context window. Works with the OpenAI SDK.

## Price per million tokens (USD)

| Tokens | ByteDance list price | UplinkSwitch | Under list |
| --- | --- | --- | --- |
| Input | — | $0.525 | — |
| Cached input | — | $0.105 | — |
| Output | — | $1.295 | — |

## Model

- Model id: `doubao-seed-character`
- Formats: OpenAI SDK
- Base URL: https://api.uplinkswitch.com/v1
- Context window: 128,000 tokens
- Max output: 32,768 tokens
- Input: text and image
- Daily real-model check: Steady since Oct 23 (https://uplinkswitch.ai/proof#doubao-seed-character)

## Doubao Seed Character API key

1. Create a key in the console at uplinkswitch.ai/console. Credit is prepaid from $10 with no subscription, and the key works at once.
2. Point your SDK or tool at https://api.uplinkswitch.com/v1, for example with OPENAI_BASE_URL, and send the key as the bearer token.
3. Send doubao-seed-character as the model. The same key calls every other model in the catalog.

## Request

### Python · OpenAI SDK

```python
from openai import OpenAI

client = OpenAI(
    base_url="https://api.uplinkswitch.com/v1",
    api_key="sk-uplink-live-...",
)

completion = client.chat.completions.create(
    model="doubao-seed-character",
    messages=[{"role": "user", "content": "Summarize this in one line."}],
)
print(completion.choices[0].message.content)
```

### TypeScript · OpenAI SDK

```typescript
import OpenAI from 'openai';

const client = new OpenAI({
  baseURL: 'https://api.uplinkswitch.com/v1',
  apiKey: 'sk-uplink-live-...',
});

const completion = await client.chat.completions.create({
  model: 'doubao-seed-character',
  messages: [{ role: 'user', content: 'Summarize this in one line.' }],
});
console.log(completion.choices[0].message.content);
```

### curl

```bash
curl https://api.uplinkswitch.com/v1/chat/completions \
  -H "authorization: Bearer sk-uplink-live-..." \
  -H "content-type: application/json" \
  -d '{"model":"doubao-seed-character","messages":[{"role":"user","content":"Hello"}]}'
```

## Questions

### What is Doubao Seed Character?

Doubao Seed Character is a model from ByteDance, with a 128,000-token context window, taking text and image input. Through UplinkSwitch it answers the OpenAI SDK on one key as doubao-seed-character.

### How much does the Doubao Seed Character API cost?

$0.525 per million input tokens and $1.295 per million output tokens, with cached input at $0.105.

### Is Doubao Seed Character free?

It is pay as you go: prepaid credit from $10, with no subscription or monthly fee, billed per token. A 1,000-token prompt with a 500-token reply costs about $0.0012.

### What is the Doubao Seed Character context window?

Doubao Seed Character has a 128,000-token context window, with up to 32,768 output tokens per request. It takes text and image input.

### What is the Doubao Seed Character model id?

doubao-seed-character. Send it as the model through the OpenAI SDK with base URL https://api.uplinkswitch.com/v1.

### How do I get a Doubao Seed Character API key?

Create one in the console at uplinkswitch.ai/console: prepaid credit from $10, no subscription, and the key is live at once. The same key calls Doubao Seed Character and every other model in the catalog; send it as the bearer token with base URL https://api.uplinkswitch.com/v1.

### Is it the real Doubao Seed Character?

Every day each model gets the same test prompt, and the results are public on /proof. Doubao Seed Character's latest result: Steady since Oct 23.

## Related

- Cursor setup: https://uplinkswitch.ai/guides/cursor
- Cline setup: https://uplinkswitch.ai/guides/cline
- Roo Code setup: https://uplinkswitch.ai/guides/roo-code
- Kilo Code setup: https://uplinkswitch.ai/guides/kilo-code
- SDKs setup: https://uplinkswitch.ai/guides/sdks
- Every model and price: https://uplinkswitch.ai/llms-full.txt
- Machine catalog: https://uplinkswitch.ai/ai-catalog.json