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OpenAI: GPT-5.5 vs Qwen: Qwen3.5 Plus 2026-02-15

Last updated at: 2026-04-24

Metric GPT-5.5 GPT-5.5 medium Release: 2026-04-24 Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 medium Release: 2026-02-15
Score 9.0 8.5
Rank #5 #9
Reliability N/A N/A
Consistency 9.2 9.1
Tests Correct
Attempt pass rate 87.0% 83.3%
Flaky tests 2 2
Total Runs 54 54
Cost per result 19.226 1.566
Total Cost $2.884 $0.220
Input Price $5.000 / 1M $0.260 / 1M
Output Price $30.000 / 1M $1.560 / 1M
Output Tokens 1,920 2,121
Reasoning Tokens 89,632 111,889
Response Time (avg) 32.75s 46.56s
Response Time (max) 332.10s 120.91s
Response Time (total) 589.59s 512.20s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.66s 250 1,335
Qwen3.5 Plus 2026-02-15 8.2 7.9 83.3% 1 45.78s 205 21,236
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 9.09s 318 1,391
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 120.91s 367 19,367
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 19.29s 312 2,841
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 46.85s 421 7,906
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.18s 234 593
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 46.91s 270 14,916
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 5.3 7.2 44.4% 1 164.14s 67 79,625
Qwen3.5 Plus 2026-02-15 5.3 10.0 33.3% 0 17.50s 35 16,680
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.16s 138 223
Qwen3.5 Plus 2026-02-15 4.7 1.6 66.7% 1 79.86s 73 8,675
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 3.36s 93 538
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 31.93s 101 7,704
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 8.6 7.9 77.8% 1 6.78s 250 2,254
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 34.57s 340 14,496
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 10.57s 258 832
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 7.54s 309 909

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