做智能体或编程助手的开发者终于有了一个开源的高效选择——Nemotron 3 Ultra 在速度和成本上显著优于同类模型，值得立即关注和测试。
NVIDIA 发布了 Nemotron 3 Ultra，一个 550B 参数的混合专家（MoE）开源模型，专为长时间运行的智能体任务优化。该模型在推理速度上比同类开源前沿模型快 5 倍，同时将复杂智能体任务的成本降低高达 30%。这标志着开源模型在支持本地长时间运行编程智能体方面迈出了重要一步，为开发者提供了更高效、更经济的替代方案。
NEW: NVIDIA ships 550B MoE open model for long-running agents. Very exciting times to see more open...
NEW: NVIDIA ships 550B MoE open model for long-running agents. Very exciting times to see more open models to support local long-running coding agents. NVIDIA AI @NVIDIAAI Today we're shipping Nemotron 3 Ultra. A 550B MoE frontier-intelligence open model built for long-running agents. It delivers 5x faster inference and lowers the cost of complex agentic tasks by up to 30% versus other open frontier models. Your browser does not support the video tag. 🔗 View on Twitter 🔗 View Quoted Tweet 💬 5 🔄 2 ❤️ 12 👀 730 📊 5 ⚡