Seed 1.6 API

Access Seed 1.6 from ByteDance Seed using Puter.js AI API.

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Model Card

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).

Context Window N/A

tokens

Max Output 33K

tokens

Input Cost $0.25

per million tokens

Output Cost $2

per million tokens

Release Date Jun 12, 2025

 

API Usage Example

Add Seed 1.6 to your app with just a few lines of code.
No API keys, 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-1.6"
}).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-1.6"
        }).then(response => {
            document.body.innerHTML = response.message.content;
        });
    </script>
</body>
</html>

View full documentation →

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Frequently Asked Questions

What is this Seed 1.6 API about?

The Seed 1.6 API gives you access to ByteDance Seed's chat model through Puter.js. With just a few lines of JavaScript, you can integrate Seed 1.6 into any web app or Node.js project — no API keys, no backend, and no configuration required.

Who created Seed 1.6?

Seed 1.6 was created by ByteDance Seed and released on Jun 12, 2025.

What is the max output length of Seed 1.6?

Seed 1.6 can generate up to 33K tokens in a single response.

How much does it cost?
The Seed 1.6 API is available through the User-Pays Model. As a developer, you can add the Seed 1.6 API to your app for free — your users pay for their own AI costs directly.
Price per 1M tokens
Input$0.25
Output$2
How do I access the Seed 1.6 API?

You can access the Seed 1.6 API with just a few lines of JavaScript — no API keys, no backend, and no configuration required. Include the Puter.js library in your project and start making calls right away. For more details, check out our documentation.

Does the Seed 1.6 API work with React / Vue / Vanilla JS / Node / etc.?

Yes — the Seed 1.6 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 1.6 to your app without worrying about API keys or setup.

Read the Docs View Tutorials