Unverified60% confidenceFactExact time
In Barry Boehm's 1981 cost estimation model, he noted that defects introduced during the requirements phase, if not discovered until the coding phase, increase repair costs by 5–10 times, and costs can increase by 100 times if discovered after deployment.
2
Sources
60%
Confidence
Long-term
Relevance
8/24/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedAccording to McKinsey research, the cost of fixing errors in the requirements phase is 5–10 times that of the coding phase.69% similarUnverifiedIBM和NASA的研究数据显示，在需求阶段发现的错误与在编码或测试阶段修复同一错误的成本差距可达10到100倍67% similarVerifiedResearch shows that the cost of fixing errors discovered in the requirements and design phases is only 1/10 to 1/100 of the cost at the coding phase.66% similarUnverified在反向模式下，当模型参数数量高达数百万时，计算梯度的成本仅与一次前向计算相当64% similarUnverifiedJevons' Paradox states that when resource use efficiency improves and unit costs decline, total consumption actually increases, and is used to explain how token price reductions drive multiplicative growth in AI usage volume.64% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/794281API
curl https://kongchang.com/api/v1/knowledge/claims/794281MCP
get_claim(id=794281)