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KAT Dev 32B

KAT-Dev-32B is Kwaipilot’s open-source coding model focused on end-to-end software engineering rather than simple code completion. The project page says it was trained for tool use, multi-turn interaction, coding knowledge, pull request data, instruction following, and reasoning, then refined on eight task types including feature implementation, bug fixing, refactoring, performance optimization, test generation, code understanding, and deployment. It is presented as achieving 62.4% resolved on SWE-Bench Verified and ranking among the strongest open-source models in its class.
New Multimodal Gen 2
Released: September 20, 2025

Overview

KAT-Dev-32B is Kwaipilot’s open-source 32B software engineering model built for real-world coding tasks. It is trained with mid-training, supervised fine-tuning, reinforcement fine-tuning, and large-scale agentic RL, and is positioned as a strong open model for software development workflows such as bug fixing, feature work, refactoring, testing, and deployment.

About Kuaishou Technology

Chinese short-video & live-streaming platform (Kwai) with e-commerce and ads.

Industry: Animation and Post-production
Company Size: 24,718
Location: Beijing, CN
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Tools using KAT Dev 32B

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Last updated: March 31, 2026
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