Unverified50% confidenceOpinionExact time
更长的上下文窗口并未消除注意力稀释效应，反而带来更高的单次调用成本
1
Sources
50%
Confidence
Long-term
Relevance
7/20/2026
First Seen
Sources
Loop Engineering：无人监管的AI循环为何危机四伏
Related Claims
UnverifiedLonger context not only means higher API costs, but also leads to increased inference latency and attention dilution.81% similarUnverifiedContext window size does not equal effective context length; exceeding the effective attention range causes a forgetting drift phenomenon.79% similarUnverified上下文窗口的大小不等于有效利用的能力，窗口越大指令衰减的潜在风险反而可能越突出73% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/569565API
curl https://kongchang.com/api/v1/knowledge/claims/569565MCP
get_claim(id=569565)