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Tencent Hunyuan Hy4 Official Version Released, Introducing Vision and Computer Operation Capabilities for the First Time

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Tencent Hunyuan has released the official version of the Hy4 large language model. Compared with Hy4 preview, it significantly expands the scale of pre-training and post-training, introduces vision capabilities for the first time, and supports computer operation, enabling it to complete tasks by combining command-line and graphical interfaces. Hy4 is now available on Tencent Cloud and OpenRouter, and can be experienced in products such as CodeBuddy / WorkBuddy, Yuanbao, and ima, while maintaining the same API pricing as the preview. The official team plans to open-source the model weights and release a model system card in the near future, while also stating that Hy4 still has a considerable gap compared with top closed-source models on highly difficult test sets such as frontier mathematics, long-horizon development, and visual question answering.

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The original text explains the capability expansion of Hy4 relative to the preview, its launch channels, and open-source plans, from which the gap between open-source models and closed-source frontier models can be judged.

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腾讯混元 Hy4 正式版发布,号称首次跻身最强开源模型之列、为真实生产力而生

2026-11-04 12:59 IT之家 - 清源

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IT之家 11 月 4 日消息,腾讯混元今天(4 日)发布最新一代大语言模型 Hy4 正式版。官方表示,随着模型能力的再次全面跃升,Hy 首次跻身最强开源模型之列。Hy4 将于近期开源模型权重,发布模型系统卡片,并积极推进更负责任的开源,重点关注网络和生物安全等风险。

相比于 Hy4 preview,Hy4 显著扩展了预训练和后训练规模,首次引入了视觉能力,并大幅提升了指令遵循、长文理解、长程任务、深度研究等各项综合能力。

Hy4 首次引入视觉能力,可以结合感知、推理和工具调用,进行细粒度图像处理、复杂图表分析和数学视觉推理等任务。Hy4 也首次支持电脑操作,可以灵活地结合使用命令行和图形界面。腾讯还针对 Blender、CAD 等专业软件和跨应用长程任务开展了专项训练,持续优化专业任务的规划与执行力。

根据介绍,该模型可用于视觉与电脑任务、前端与游戏开发、金融与办公场景、科研与模型研发、长期个人助理等多种场景,为真实生产力而生。

据IT之家此前报道,8 月 28 日,腾讯发布 Hy4 preview,总参数 770 B,激活参数 49 B,上下文长度 1M。

官方当时曾表示,Hy4 preview 在模型尺寸、上下文长度、数据规模上都进行了显著的扩展,预训练和后训练的共同进步带来了智能水平的又一次巨大提升。

目前,Hy4 已在腾讯云和 OpenRouter 上线,并可在 CodeBuddy / WorkBuddy、元宝、ima 等产品上体验,性能显著超过 Hy4 preview 的同时维持相同 API 价格。

官方计划开源模型权重,并已联合 vLLM/SGLang 社区以及 Inferact Inc. 提供开源生态支持。模型系统卡片也计划届时发布,包括更全面的安全评估等细节。

尽管 Hy4 已经是目前最强的开源模型之一,其与顶尖闭源模型仍然存在较大差距,尤其在内部构建的前沿数学、长程开发、模型迭代、视觉问答等领域的高难度测试集上。腾讯混元方面表示,将持续稳健地扩展预训练和后训练规模,努力缩小和顶尖闭源模型的差距。

Hy4 flash 也计划近期发布,将显著提升模型性价比和推理速度,并更加高频地和产品协同迭代,不断提高实用性。

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