Bug Hunt Bench - LMS: leaderboard

Coding models find and repair 105 planted defects in two production repositories: 45 in a VS Code extension and 60 in a learning-management system. Blind grading counts verified planted fixes. Reasoning effort, the July DeepSeek revision and the retired Gemini CLI protocol remain distinguishable; superseded runs follow the publisher’s replacement markers. This board reports Bug Hunt Bench - LMS using Planted Bugs Fixed (out of 60).

Metric: Planted Bugs Fixed (out of 60). Source: bughunt.productcompass.pm. Saturation forecast: Around 2028. 132 models tracked.

Top models

#ModelScoreOverall rank
1Claude Sonnet 5.5 (Max)28.7#14 (Claude Sonnet 5.5)
2Gemini 4 Argon (High)27.7#9 (Gemini 4 Argon)
3Gemini 4 Argon (Medium)25.7#9 (Gemini 4 Argon)
4GPT-5.6 Sol (Max)24.5#22 (GPT-5.6 Sol)
5DeepSeek V4.1 Flash (1017) (Max)24.4#27 (DeepSeek V4.1 Flash (1017))
6DeepSeek V4.1 Flash (1017) (High)24.4#27 (DeepSeek V4.1 Flash (1017))
7Claude Fable 5.1 (Max)24#10 (Claude Fable 5.1)
8GPT-6 Astra (Max)23#6 (GPT-6 Astra)
9Claude Opus 5.5 (Max)22.7#3 (Claude Opus 5.5)
10GPT-6.1 Terra (Max)22.7#15 (GPT-6.1 Terra)
11Gemini 4 Argon (Low)22.7#9 (Gemini 4 Argon)
12GPT-6.1 Sol (Max)22#7 (GPT-6.1 Sol)
13GPT-5.6 Sol (xHigh)21#22 (GPT-5.6 Sol)
14GPT-5.6 Sol (High)21#22 (GPT-5.6 Sol)
15Muse Wonder Full (Max)20.5#12 (Muse Wonder Full)

Interactive version: theaggregate.ai/benchmark?slug=bug-hunt-bench-lms · How It Works · Data refreshed daily, snapshot 2026-11-05.