Unverified50% confidenceFactExact time
大模型存在三大固有局限：知识截止时间、没有记忆能力、无法主动获取外部数据
1
Sources
50%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
LangChain 1.3 Hands-On Introduction: Understanding LLMs and Agents at the Core
bilibilicoming-AI7/9/2026
Related Claims
Unverified大模型存在三大固有局限：无状态不保留记忆、训练数据有截止日期无法获取实时信息、只能生成文本无法主动调用外部系统84% similarUnverified大模型需要外部工具弥补三个短板：没有实时信息、无法精确计算、无法访问专有信息76% similarUnverifiedLLMs have three main deficiencies: hallucination, knowledge lag (inability to access real-time information), and insufficient computational capability.76% similarUnverifiedPure large language models have two major deficiencies: a knowledge cutoff problem and a hallucination problem.75% similarUnverified当前大模型并没有真正的持久化记忆机制，随着对话轮次增加，早期需求描述在注意力机制中的权重会逐渐衰减71% similar
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