KwaiPilot: KAT-Coder-Pro V2

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Model Card

KAT-Coder-Pro V2 is the flagship agentic coding model from Kwaipilot (Kuaishou's AI research division), built for enterprise-grade software engineering and SaaS integration. It uses a Mixture-of-Experts architecture with 72B active parameters and offers a 256K token context window.

The model achieves a 79.6% solve rate on SWE-Bench Verified, placing it among the top code generation models globally. It scores 44 on the Artificial Analysis Intelligence Index, well above the median of 15 for comparable non-reasoning models in its price tier, and generates output at roughly 109 tokens per second.

KAT-Coder-Pro V2 is designed for large-scale production environments, multi-system coordination, and agentic coding workflows. It also supports tool use, function calling, and web aesthetics generation for producing landing pages and presentation decks.

Context Window 262K

tokens

Max Output 144K

tokens

Input Cost $0.3

per million tokens

Output Cost $1.2

per million tokens

Release Date Mar 27, 2026

Code Example

Add AI to your app with the Puter.js AI API, no API keys or setup required.

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

puter.ai.chat("Explain quantum computing in simple terms").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").then(response => {
            document.body.innerHTML = response.message.content;
        });
    </script>
</body>
</html>

Frequently Asked Questions

How do I use KAT-Coder-Pro V2?

KAT-Coder-Pro V2 is no longer available through Puter.js. Explore other AI models for alternatives.

What is the pricing for KAT-Coder-Pro V2?

KAT-Coder-Pro V2 costs $0.3 per 1M input tokens and $1.2 per 1M output tokens.

	Price per 1M tokens
Input	$0.3
Output	$1.2

Who created KAT-Coder-Pro V2?

KAT-Coder-Pro V2 was created by KwaiPilot and released on Mar 27, 2026.

What is the context window of KAT-Coder-Pro V2?

KAT-Coder-Pro V2 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 KAT-Coder-Pro V2?

KAT-Coder-Pro V2 can generate up to 144K tokens in a single response.

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

Yes — the KAT-Coder-Pro V2 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.

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