ByteDance Seed: Seed 2.0 Mini

Access Seed 2.0 Mini from ByteDance Seed using Puter.js AI API.

Get Started

Model Card

Seed 2.0 Mini is ByteDance's most lightweight and inference-efficient model in the Seed 2.0 family, released in February 2026 and optimized for low-latency, high-concurrency, and cost-sensitive applications. It features a 256K context window, multimodal capabilities (text, image, video), and a unique 4-level reasoning effort system. Despite being the smallest variant, it delivers strong benchmark scores (AIME 2025: 87.0, SWE-Bench: 67.9) at an extremely competitive price of $0.1/M input tokens.

Context Window 262K

tokens

Max Output 131K

tokens

Input Cost $0.1

per million tokens

Output Cost $0.4

per million tokens

Release Date Feb 26, 2026

 

API Usage Example

Add Seed 2.0 Mini to your app with just a few lines of code.
No backend, no configuration required.

// npm install @heyputer/puter.js
import { puter } from '@heyputer/puter.js';

puter.ai.chat("Explain quantum computing in simple terms", {
    model: "bytedance-seed/seed-2.0-mini"
}).then(response => {
    document.body.innerHTML = response.message.content;
});

<html>
<body>
    <script src="https://js.puter.com/v2/"></script>
    <script>
        puter.ai.chat("Explain quantum computing in simple terms", {
            model: "bytedance-seed/seed-2.0-mini"
        }).then(response => {
            document.body.innerHTML = response.message.content;
        });
    </script>
</body>
</html>

# pip install openai
from openai import OpenAI

client = OpenAI(
    base_url="https://api.puter.com/puterai/openai/v1/",
    api_key="YOUR_PUTER_AUTH_TOKEN",
)

response = client.chat.completions.create(
    model="bytedance-seed/seed-2.0-mini",
    messages=[
        {"role": "user", "content": "Explain quantum computing in simple terms"}
    ],
)

print(response.choices[0].message.content)

curl https://api.puter.com/puterai/openai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_PUTER_AUTH_TOKEN" \
  -d '{
    "model": "bytedance-seed/seed-2.0-mini",
    "messages": [
      {"role": "user", "content": "Explain quantum computing in simple terms"}
    ]
  }'

View full documentation →

More AI Models From ByteDance Seed

Chat

Seed 2.0 Lite

Seed 2.0 Lite is ByteDance's mid-tier general-purpose LLM that balances strong performance with cost efficiency, scoring 93 on AIME 2025 and 2233 on Codeforces while supporting text, image, and video understanding plus tool-calling capabilities. It serves as the default production-grade model in the Seed 2.0 family, handling roughly 95% of enterprise workloads at about half the cost of the flagship Pro variant. It supports a 256K context window and is positioned as a high-performance alternative for tasks like code review, document processing, information synthesis, and agent-based workflows.

 Image

Seedream 4.0

 Chat

Seed 1.6

Seed 1.6 is a general-purpose multimodal AI model by ByteDance featuring adaptive deep thinking, a 256K context window, and a sparse Mixture-of-Experts architecture with 230B total parameters (23B active per forward pass).

View all ByteDance Seed models →

Frequently Asked Questions

How do I use Seed 2.0 Mini?

You can access Seed 2.0 Mini by ByteDance Seed through Puter.js AI API. Include the library in your web app or Node.js project and start making calls with just a few lines of JavaScript — no backend and no configuration required. You can also use it with Python or cURL via Puter's OpenAI-compatible API.

Is Seed 2.0 Mini free?

Yes, it is free if you're using it through Puter.js. With the User-Pays Model, you can add Seed 2.0 Mini to your app at no cost — your users pay for their own AI usage directly, making it completely free for you as a developer.

What is the pricing for Seed 2.0 Mini?
Pricing for Seed 2.0 Mini is based on the number of input and output tokens used per request.
Price per 1M tokens
Input$0.1
Output$0.4
Who created Seed 2.0 Mini?

Seed 2.0 Mini was created by ByteDance Seed and released on Feb 26, 2026.

What is the context window of Seed 2.0 Mini?

Seed 2.0 Mini supports a context window of 262K tokens. For reference, that is roughly equivalent to 524 pages of text.

What is the max output length of Seed 2.0 Mini?

Seed 2.0 Mini can generate up to 131K tokens in a single response.

Does it work with React / Vue / Vanilla JS / Node / etc.?

Yes — the Seed 2.0 Mini API works with any JavaScript framework, Node.js, or plain HTML through Puter.js. Just include the library and start building. See the documentation for more details.

Get started with Puter.js

Add Seed 2.0 Mini to your app without worrying about API keys or setup.

Read the Docs View Tutorials