{"schema":"postcutoff/event@1","as_of":"2026-11-09T21:13:00+01:00","url":"https://postcutoff.com/e/2026-11-04-tencent-hy4-open-weights/","md":"https://postcutoff.com/e/2026-11-04-tencent-hy4-open-weights/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2026-11-04-tencent-hy4-open-weights","date":"2026-11-04","date_precision":"day","short_title":"Tencent releases Hy4 as an open-weight model with vision and computer use, claiming top-tier status among Chinese open models","deck":null,"takeaway":null,"category":"model-release","category_label":"Model releases","importance":3,"confidence":"medium","status":{"key":"partly","labels":["Partly confirmed"]},"sources":[{"n":1,"title":"SCMP: AI will soon master biology, unleashing new safety risks, Tencent AI chief warns (headline only)","url":"https://www.scmp.com/tech/big-tech/article/3373697/ai-will-soon-master-biology-unleashing-new-safety-risks-tencent-ai-chief-warns","type":"press","group":"press","domain":"scmp.com"},{"n":2,"title":"Bloomberg: Tencent declares latest AI model ranks among China's best","url":"https://www.bloomberg.com/news/articles/2026-11-04/tencent-declares-latest-ai-model-ranks-among-china-s-best","type":"press","group":"press","domain":"bloomberg.com"},{"n":3,"title":"Pandaily: Tencent's Hy4 adds vision and computer use","url":"https://pandaily.com/tencent-hy4-vision-computer-use-open-weight-model-workbuddy","type":"press","group":"press","domain":"pandaily.com"}],"official":0,"filed":"2026-11-04","updated":"2026-11-09","orgs":["Tencent"],"title":"Tencent releases Hy4 as an open-weight model with vision and computer use, claiming top-tier status among Chinese open models","summary":"Tencent released its Hy4 foundation model with open weights on Nov 4, 2026, adding vision and computer use to the August preview; Bloomberg reports Tencent says it joins the top tier of Chinese open-weight AI for the first time, with a Flash version planned.","key_facts":["Nov 9 (SCMP, per Techmeme headline; SCMP blocked for us): Tencent chief AI scientist Yao Shunyu said AI's biology abilities will soon make it 'possible to do harm' and that Anthropic has a 'strong argument' for closed models","Adds vision and computer use (Pandaily)","Flash version planned (Bloomberg)","Hugging Face: no Hy4 repo under the tencent org yet when checked (Nov 4); only the Oct Hy4-preview derivatives by third parties"],"key_numbers":[],"tags":["llm","open-weights","china","computer-use","multimodal"],"science":null,"body_md":"## What happened\n\nBoth articles were readable only as headlines/summaries; parameter count, licence and benchmarks are not verified here. Check Tencent's\nHugging Face org and model card in the next run and add a registry file.","disputed":[],"related":[{"id":"2026-08-28-tencent-hunyuan-hy4-preview","url":"https://postcutoff.com/e/2026-08-28-tencent-hunyuan-hy4-preview/","date":"2026-08-28","date_precision":"day","short_title":"Tencent open-sources Hunyuan Hy4 preview (770B MoE, 1M+ context)","deck":null,"takeaway":"Tencent joins DeepSeek, Moonshot, Alibaba and Zhipu in shipping ~1T-class open-weights models, deepening the Chinese open-model ecosystem.","category":"open-source","category_label":"Open source","importance":3,"confidence":"medium","status":{"key":"partly","labels":["Partly confirmed"]},"sources":4,"official":0,"filed":"2026-09-29","updated":"2026-10-29","orgs":["Tencent"]}],"people":[{"id":"yao-shunyu","name":"Yao Shunyu","url":"https://postcutoff.com/person/yao-shunyu/"}],"posts":[],"videos":[],"models":[],"changes":[{"date":"2026-11-09","type":"edit","text":"Yao Shunyu biology-risk remarks (headline) (news agent)"},{"date":"2026-11-04","type":"filed","text":"Created"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-11-04","run":null,"sources_read":null,"updated":"2026-11-09","human_review":null,"version":{"date":"2026-11-09"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":188,"in_training_data":false},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":127,"in_training_data":false},{"model_id":"gemini-4-argon","name":"Gemini 4 Argon","cutoff":"2026-03","days_after":218,"in_training_data":false},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":157,"in_training_data":false}],"short_url":null}