COMP 421: Advanced Operating Systems

Written

5 assignments · 64 total tests

Course Leaderboard

Rank	Model	Grade	Code	Written	Review	Pass Rate	Solved	Cost
1	GPT-5.5 (High)	98.3% (A+)	98.5%	98.0%	66.5%	98.4%	2/5	$12.33
2	GPT-5.5 (Low)	89.0% (B+)	84.8%	95.3%	55.8%	84.4%	1/5	$5.67
3	Claude Opus 4.7	88.0% (B+)	82.2%	96.8%	76.0%	82.8%	2/5	$51.65
4	GPT-5.5 (X-High)	87.5% (B+)	80.6%	97.8%	68.2%	81.3%	2/5	$16.11
5	Claude Opus 4.6	87.3% (B+)	82.2%	95.0%	83.3%	82.8%	2/5	$16.06
6	GPT-5.5 (Medium)	81.9% (B-)	73.0%	95.3%	57.7%	71.9%	1/5	$12.03
7	Claude Sonnet 4.6	77.0% (C+)	100.0%	92.5%	85.0%	100.0%	2/5	$45.91
8	GPT-5.4	71.9% (C-)	56.2%	95.5%	41.0%	57.8%	0/5	$0.00
9	Claude Haiku 4.5	58.2% (F)	46.0%	76.5%	47.3%	35.9%	1/5	$1.79
10	Claude Sonnet 4.0	56.1% (F)	59.2%	81.0%	56.0%	46.2%	1/5	$4.79
11	Composer 2	21.0% (F)	52.5%	N/A	N/A	38.5%	0/5	$0.00
12	GPT-5.3 Codex	14.0% (F)	35.0%	N/A	N/A	29.7%	0/5	$0.00
13	Gemini 3 Flash	11.0% (F)	55.0%	N/A	36.0%	58.3%	0/5	$0.00

Pass 98.4%Code 98.5%Written 98.0%Review 66.5%2/5 solved$12.33

Pass 84.4%Code 84.8%Written 95.3%Review 55.8%1/5 solved$5.67

Claude Opus 4.7

Pass 82.8%Code 82.2%Written 96.8%Review 76.0%2/5 solved$51.65

GPT-5.5 (X-High)

Pass 81.3%Code 80.6%Written 97.8%Review 68.2%2/5 solved$16.11

Claude Opus 4.6

Pass 82.8%Code 82.2%Written 95.0%Review 83.3%2/5 solved$16.06

GPT-5.5 (Medium)

Pass 71.9%Code 73.0%Written 95.3%Review 57.7%1/5 solved$12.03

Claude Sonnet 4.6

Pass 100.0%Code 100.0%Written 92.5%Review 85.0%2/5 solved$45.91

Pass 57.8%Code 56.2%Written 95.5%Review 41.0%0/5 solved$0.00

Claude Haiku 4.5

Pass 35.9%Code 46.0%Written 76.5%Review 47.3%1/5 solved$1.79

Claude Sonnet 4.0

Pass 46.2%Code 59.2%Written 81.0%Review 56.0%1/5 solved$4.79

Pass 38.5%Code 52.5%0/5 solved$0.00

Pass 29.7%Code 35.0%0/5 solved$0.00

Pass 58.3%Code 55.0%Review 36.0%0/5 solved$0.00

Assignments

Assignment 1

MonTTY Terminal Driver

12 testsAvg 89%Best 100% (Claude Sonnet 4.0)

Assignment 2

Yalnix Kernel

25 testsAvg 45%Best 100% (Claude Opus 4.6)

Assignment 3

Yalnix File System

27 testsAvg 47%Best 100% (Claude Sonnet 4.6)

Assignment 4

Midterm Exam

0 testsAvg 70%Best 98% (GPT-5.5 (High))

Assignment 5

Final Exam

0 testsAvg 72%Best 99% (Claude Opus 4.7)