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Estimated on the basis of five subtests, the Verbal IQ of the ChatGPT was 155, superior to 99.9 percent of the test takers who make up the American WAIS III standardization sample of 2,450 people.

Origins. IQ tests trace back to the early 20th century when Alfred Binet and Théodore Simon developed the first test to identify children needing special educational support in France.