腾讯 Hunyuan Hy4 登上 Agent Arena 总榜第 14，开源后可并列开源模型第一
腾讯 Hunyuan 的 Hy4 冲进 Agent Arena 第 14 名，比 Kimi K3.1 Pro 便宜 62%，分数只差不到 1 个点，开源后就是开源第一。
Agent Arena 基于 8500 多个真实长程智能体任务会话的评测中，腾讯 Hunyuan 的 Hy4 排名总榜第 14，净提升 4.7%，进入 Pareto 前沿。相比 Hy4 preview 的第 25 名（+1.1%），提升 3.6 个百分点，其中 Confirmed Success 从 #16 升至 #11（+8.7%），Bash Reliability 从 #41 升至 #20（+6.2%）。Hy4 目前为专有模型，单任务成本 $0.55，比 Kimi K3.1 Pro（Max）的 $1.46 低约 62%，两者分数差距在 1 个百分点以内。官方表示权重开源后，Hy4 将与 Kimi K3.1 Pro 并列开源模型第一。
Exciting news from Agent Arena: Hy4 by @TencentHunyuan just landed #14 overall. Currently proprietary, but once its weights are released it will tie with Kimi K3.1 Pro for #1 among open models! Across +8.5K real-world, long-horizon agentic sessions from our global community of users, Hy4 delivers +4.7% net improvement and joins the Agent Arena Pareto frontier. At $0.55/task, Hy4 costs about 62% less than Kimi K3.1 Pro (Max) at $1.46/task, and the two models’ scores are within 1 percentage point. This release is a +3.6 percentage pt improvement from Hy4 preview at #25 with +1.1%. In fact, Hy4 improved across all key signals: - Confirmed Success (explicit “yes, that worked” from users): #11 with +8.7% (up from #16 with +4.9%) - Praise vs Complaint (sentiment in user reactions): #18 with +3.8% (up from #24 with +1%) - Steerability (responding to user corrections): #14 with +5.7% (up from #27 with +0.21%) - Bash Reliability (successful shell commands): #20 with +6.2% (up from #41 with -3.1%) Congrats to the @TencentHunyuan team on this release! Tencent Hy @TencentHunyuan 👋Hy4 is here, new with vision. Firmly among the leading open models. More productive everywhere: finance, frontend, game, officework, research… Built responsibly, with cyber/biosecurity in mind. Try it out and let us know! � hy.tencent.ai/research/hy4?l… 3h 🔗 View Quoted Tweet 💬 18 🔄 11 ❤️ 114 👀 13935 📊 25 ⚡
