Hy3 Exits Preview With Weights and a Technical Report
- Source
- x.com
- Date

From preview to official release in under three months. Hy3 brings major advances in agent capabilities, coding, and real-world reliability, already powering @WorkBuddy_AI, CodeBuddy, Yuanbao, ima, Marvis, and more across Tencent's ecosystem. 🤗 https://t.co/fKQiIh0JpE 📖

Context
Tencent describes the official Hy3 release as an improvement driven by additional post-training and experience from deployed products. Its July 6 release account says it increased post-training compute and improved the quality and diversity of training data after the April preview.
The company identifies task planning and tool coordination among the improved capabilities. Those are the steps an needs to turn a request into a sequence of actions. The account explains the development direction behind the release, while its claims of improved reliability remain Tencent's assessment.
- AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
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