Workflows and controlAI RADAR · STUDY ·

01 · The key finding

39%

GPT-5.4

Similar AI accuracy, different amounts of human review

At similar AI accuracy, GPT-5.4 needs about 39% human review and Claude Sonnet 5 about 30% to meet the same reliability target under the same assumptions.

02 · The study

Human review at similar AI accuracy

GPT-5.439%
Claude Sonnet 530%

Share of cases routed to human review at a 76% reliability target

Calculated from clinical test data, assuming human review succeeds in 90% of cases. These are not measured working hours. Percentages rounded; original values remain in the source.

03 · What we take from it

Compare AI systems at the same required reliability. Include the human review time needed in their costs.

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