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ChatGPT-4o (Medium Reasoning) vs.GPT-5 Nano

Passed:
ChatGPT-4o (Medium Reasoning) 75.6% (62/82)
GPT-5 Nano 61.0% (50/82)
Average request time:
ChatGPT-4o (Medium Reasoning) 20.48s
GPT-5 Nano 13.09s

Summary

Annotation Understanding
ChatGPT-4o (Medium Reasoning) 1 / 2
GPT-5 Nano 0 / 2
CAPTCHA
ChatGPT-4o (Medium Reasoning) 2 / 2
GPT-5 Nano 0 / 2
Color Identification
ChatGPT-4o (Medium Reasoning) 0 / 1
GPT-5 Nano 1 / 1
Defect Detection
ChatGPT-4o (Medium Reasoning) 12 / 15
GPT-5 Nano 11 / 15
Document Understanding
ChatGPT-4o (Medium Reasoning) 7 / 10
GPT-5 Nano 8 / 10
Localization
ChatGPT-4o (Medium Reasoning) 1 / 1
GPT-5 Nano 0 / 1
OCR
ChatGPT-4o (Medium Reasoning) 9 / 9
GPT-5 Nano 6 / 9
Object Counting
ChatGPT-4o (Medium Reasoning) 3 / 11
GPT-5 Nano 1 / 11
Object Detection
ChatGPT-4o (Medium Reasoning) 2 / 2
GPT-5 Nano 1 / 2
Object Measurement
ChatGPT-4o (Medium Reasoning) 1 / 1
GPT-5 Nano 0 / 1
Object Understanding
ChatGPT-4o (Medium Reasoning) 8 / 11
GPT-5 Nano 7 / 11
Receipt Reading
ChatGPT-4o (Medium Reasoning) 1 / 1
GPT-5 Nano 1 / 1
Sign Understanding
ChatGPT-4o (Medium Reasoning) 2 / 2
GPT-5 Nano 2 / 2
Spatial Relations
ChatGPT-4o (Medium Reasoning) 15 / 17
GPT-5 Nano 12 / 17
Web Action Understanding
ChatGPT-4o (Medium Reasoning) 4 / 4
GPT-5 Nano 4 / 4

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