ByteDance/v1/ai/bytedance-seed/seed-2.0-lite

Seed 2.0 Lite

Access Seed 2.0 Lite through one API key. ByteDance's latest bilingual model.

ByteDance's latest model. Strong bilingual performance with 131K output and competitive pricing.

Full Docs Get API Key

Context Window

262K tokens

Max Output

131K tokens

Input Price

$0.25 / 1M tokens

Output Price

$2.00 / 1M tokens

Try it live

Send a message and see Seed 2.0 Lite respond in real time.

POST /v1/ai/bytedance-seed/seed-2.0-liteLive testing

API Key

Message *

Max Tokens

Maximum tokens in the response.

Stream

Real-time token streaming

Hit "Run" to see the response

Strengths

✓ByteDance flagship

✓131K output

✓Bilingual CN/EN

✓262K context

Quick start

Copy this snippet and start making calls with Seed 2.0 Lite.

const res = await fetch('https://api.yepapi.com/v1/ai/bytedance-seed/seed-2.0-lite', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "messages": [
      {
        "role": "user",
        "content": "Explain API gateways in 2 sentences."
      }
    ],
    "maxTokens": 256
  }),
});
const data = await res.json();
console.log(data);

Why use Seed 2.0 Lite through YepAPI?

✓One API key for all models — no separate accounts

✓OpenAI SDK compatible — just change the base URL

✓No monthly minimums — pay per token

✓Switch models with one line of code

✓Full provider passthrough — citations, search results, and all extras included

✓Streaming and non-streaming support on every model

✓Works with Cursor, Claude, LangChain, and any LLM tool

✓Unified billing across all providers

Frequently asked questions

ByteDance's latest model. Strong bilingual performance with 131K output and competitive pricing.

Input tokens cost $0.25 per 1M tokens and output tokens cost $2.00 per 1M tokens through YepAPI. No monthly minimums — you only pay for what you use.

Sign up for a free API key, then send requests to the /v1/ai/bytedance-seed/seed-2.0-lite endpoint. YepAPI is OpenAI SDK compatible, so you can use it with any tool that supports OpenAI — just change the base URL.

Seed 2.0 Lite supports a 262K token context window with up to 131K output tokens per request.