腾讯混元与WorkBuddy联合发布Hy4 preview升级公告，针对用户反馈的复杂任务长思考、过度自我验证等问题进行专项优化并全量上线。经Bench指标与人工评测双重验证，新版在保持任务效果的同时，显著降低任务轮次及输入输出消耗。
9月7日，腾讯混元与WorkBuddy联合团队宣布混元Hy4preview模型升级全量上线。此次升级基于用户与开发者反馈，专项优化复杂任务下长思考、过度自我验证等问题，并通过Bench指标与人工评测双重验证，确保优化不牺牲任务效果。
据OpenRouter数据，8月31日至9月6日全球AI大模型调用量115万亿Token，环比增1.77%。中国模型周调用量56.72万亿Token，环比增2.83%，连续19周超美国居首；美国16.54万亿，环比降3.1%。全球前五中四款中国模型，混元Hy4 preview登顶。
姚顺雨称大模型并无秘密，腾讯混元4（Hy4preview）近期表现印证此言。面对智谱、月之暗面、DeepSeek、千问等竞争，腾讯四个月内完成混元大语言与多模态部门重组，推出770B参数、支持百万上下文的模型，显示所谓技术壁垒并非不可逾越。
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