Tencent releases open-source large model Hy4, adding vision and computer-use capabilities
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Tencent releases its next-generation large language model Hy4, saying it has joined the ranks of the world's leading open-source models. Hy4 introduces vision understanding and computer-use capabilities for the first time, can operate command lines and graphical interfaces, and shows clear improvements in instruction following, long context and long-horizon Agent tasks. Tencent says the model weights and system card will be released in the coming days. On supporting arrangements, WorkBuddy and CodeBuddy will be free from November 4 to 15; Hy4 will be offered on Tencent Cloud TokenHub at half the standard price, with the discount lasting until December 31, 2026. Tencent also says Hy4 Flash will be released soon.
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- Hacker News AIFeaturedTencent Launches Hy4, One of the Leading Open-Source AI Models
Tencent announced Tencent Hy4, its latest-generation large language model, which it says ranks among the world's leading open-source models, with model weights and system cards planned for release in the coming days. Hy4 adds visual understanding and computer-use capabilities for the first time, along with improvements in instruction following, long-context comprehension and long-horizon agentic tasks, and is available across Tencent Cloud TokenHub, WorkBuddy, CodeBuddy, Yuanbao, WeCom's AI Assistant (Dayuan) and ima, with API access via OpenRouter, Hermes and OpenCode. Pricing remains about US$0.90 per million input tokens, US$2.70 per million output tokens and US$0.045 per million cached input tokens, with Hy4 Flash scheduled for release soon.
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