Dola Seed 2.0 Pro API

ByteDance's chat model. Call it on 666 AI with the same API key as every other model. Pay as you go; prices follow the upstream in real time and this page updates hourly.

VendorByteDance
Typechat
Price$0.675 per 1M input tokens · $4.05 per 1M output tokens
Live testPassed our live test in the last 7 days
Model ID (use this in your request)bytedance/dola-seed-2-0-pro
Sign up free & get an API keyTry it in the chatSee all model prices

How to call Dola Seed 2.0 Pro

The API is OpenAI-compatible. Replace YOUR-ENDPOINT with the endpoint shown on your API Key page after you sign up, and YOUR-KEY with your key.

curl https://YOUR-ENDPOINT/v1/chat/completions \
  -H "Authorization: Bearer YOUR-KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "bytedance/dola-seed-2-0-pro", "messages": [{"role": "user", "content": "Hello"}]}'
from openai import OpenAI
client = OpenAI(base_url="https://YOUR-ENDPOINT/v1", api_key="YOUR-KEY")
r = client.chat.completions.create(
    model="bytedance/dola-seed-2-0-pro",
    messages=[{"role": "user", "content": "Hello"}],
)
print(r.choices[0].message.content)

Similar models — price comparison

ModelPrice
Kimi K2.6$0.808 per 1M input tokens · $3.4 per 1M output tokens
Gemini 3 Flash Preview$0.6075 per 1M input tokens · $3.65 per 1M output tokens
Seed 2.0 Pro$0.675 per 1M input tokens · $4.05 per 1M output tokens
GLM 5$0.8672 per 1M input tokens · $3.9 per 1M output tokens
Step 5 Preview$1.35 per 1M input tokens · $3.65 per 1M output tokens
Kimi K2.5$0.81 per 1M input tokens · $4.49 per 1M output tokens

More models from ByteDance

ModelPrice
Ark Doubao Seed 2.0 Pro 260215$0.6307 per 1M input tokens · $3.15 per 1M output tokens
Dola Seedream 5.0 Pro$0.0607 per image
Seedance 1.5 Pro$0.0156 – $0.1575 per second
Seedance 2.0$0.0558 – $1.84 per second
Seedance 2.0 Fast$0.0321 – $0.1225 per second
Seedance 2.0 Mini$0.0272 – $0.1021 per second
Seedance 2.5$0.083 – $0.312 per second
Seedream 4.5$0.054 per image

FAQ

How much does the Dola Seed 2.0 Pro API cost?

On 666 AI, Dola Seed 2.0 Pro costs $0.675 per 1M input tokens · $4.05 per 1M output tokens. You pay only for what you use — no monthly fee. Prices follow the upstream in real time; this page updates every hour.

Can I use the official OpenAI SDK?

Yes. The API is OpenAI-compatible: in the OpenAI Python or Node.js SDK just change base_url and api_key, and set model to bytedance/dola-seed-2-0-pro.

How do I pay?

Bank card (including Google Pay / Apple Pay), USDT / ETH, or bank wire. Top up once and usage is deducted as you go.