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AI Detection

/ Advanced Java Programming - ChatGPT Detection Analysis
How to read these scores Model last updated May 31, 2026

An AI score is a signal, not a verdict, a 0 to 100% probability from stylistic patterns common to ChatGPT, Claude & Copilot. Starter code, very clean code, and short files can read high, so treat a high score as a reason to open the submission and start a conversation, not as proof.

Open a flagged submission and read the highlighted regions before acting. Those lines are what the score is resting on. If they cover only imports, licence headers or boilerplate, the score is weak evidence however high it reads.

How accurate is this? Measured Aug 29, 2026
27 of 28 AI files caught. ChatGPT-written files flagged at 75% (96%). All 28 scored above the human original of the same task.
4 of 28 Human files falsely flagged, 14%, roughly one in seven. These were human-written files solving the same tasks as the AI files. Two of them carry copyright dates from years before ChatGPT existed.

On mature library code the false-flag rate was 0 of 30, but polished library internals are the easiest possible case, so the 14% above is the figure to plan around. Both were measured at a 75% threshold; this page flags from 70%, which is lower, so expect at least that many false flags here.

Not yet validated on real student homework, and detection is weaker against some models than others. We cannot predict in advance which human files will read high.

41%
Average AI Score
18 submissions analyzed
18
Submissions
99
Files
92%
Highest File Score
2
Flagged
Distribution by AI score 18 analyzed
Low Risk 0, 39% 12
Medium 40, 69% 4
High Risk 70%+ 2

Submissions

Submission AI Score Range Files Status
7_DiegoARomeroH_HeapSort 8 months ago
37%
16%, 58% 2 Safe
9_afa-farkhod_Sorting-Algorithms 8 months ago
47%
29%, 59% 10 Moderate
6_Joicealves30_HeapSort 8 months ago
28%
7%, 69% 10 Safe
8_theoskille_SortAlgorithmVisual... 8 months ago
38%
23%, 65% 10 Safe
8_ksuryavardhanreddy_HeapSort 8 months ago
40%
27%, 56% 9 Moderate
9_dexjones_HeapSort 8 months ago
30%
16%, 42% 4 Safe
13_Collado66_HeapSort 8 months ago
40%
17%, 52% 3 Moderate
10_GabrielFerreiraMendes_HeapSor... 8 months ago
27%
21%, 33% 2 Safe
13_Sameer-khan-786_Analysis-of-S... 8 months ago
29%
16%, 49% 7 Safe
10_matrangam_java-heap-sorter 8 months ago
25%
2%, 52% 22 Safe
14_kikesainz_HeapSort 8 months ago
36%
20%, 51% 2 Safe
14_shivam8989_heap-Sort 8 months ago
25%
25%, 25% 1 Safe
16_DiegoARomeroH_HeapSort 8 months ago
37%
16%, 58% 2 Safe
15_leandroguarino_aula16_estrutu... 8 months ago
33%
17%, 50% 3 Safe
15_lupisboni_heapSort 8 months ago
35%
11%, 56% 8 Safe
16_g25e04_HeapSort 8 months ago
44%
24%, 64% 2 Moderate
ChatGPT Written Code 8 months ago
92%
92%, 92% 1 Review
ChatGPT Written Code 8 months ago
92%
92%, 92% 1 Review

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