Unverified50% confidenceFactExact time
现代大模型上下文窗口已从早期4K Token扩展到128K甚至更长,注意力机制计算量随上下文长度呈平方级增长
1
Sources
50%
Confidence
Long-term
Relevance
7/19/2026
First Seen
Sources
Related Claims
Cite This Claim
Stable URI
https://kongchang.com/claim/558729API
curl https://kongchang.com/api/v1/knowledge/claims/558729MCP
get_claim(id=558729)