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OpenAI: GPT-5.5 vs Qwen: Qwen3.5-Flash

Summary

GPT-5.5 vs Qwen3.5-Flash benchmark comparison: GPT-5.5 leads on average score with 9.3 vs 6.8. Qwen3.5-Flash has the lower benchmark cost at $0.080 vs $0.907. GPT-5.5 is faster at 9.76s vs 63.29s, with pass rates of 85.7% vs 71.4%.

Recommended model: GPT-5.5 - It has the best score here (9.3), while responding about 6.5x faster than Qwen3.5-Flash.

Last updated at: 2026-06-18

Metric GPT-5.5 GPT-5.5 low Release: 2026-04-24 Qwen3.5-Flash Qwen3.5-Flash medium Release: 2026-02-24
Score 9.3 6.8
Rank #4 #70
Reliability 10.0 10.0
Consistency 10.0 8.1
Tests Correct
Attempt pass rate 85.7% 71.4%
Flaky tests 0 5
Total Runs 63 63
Cost per result 5.035 0.871
Total Cost $0.907 $0.080
Input Price $5.000 / 1M $0.065 / 1M
Output Price $30.000 / 1M $0.260 / 1M
Total Input Tokens 34,209 38,926
Output Tokens 2,046 2,088
Reasoning Tokens 22,460 294,598
Response Time (avg) 9.76s 63.29s
Response Time (max) 56.19s 234.29s
Response Time (total) 204.92s 1265.85s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#4 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 tok

#70 Qwen3.5-Flash

medium
Cost
$0.002
Time
25.8s
Tokens
4,294 tok

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) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.41s 606 238 1,020
Qwen3.5-Flash 10.0 10.0 100.0% 0 59.11s 672 383 32,992
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402
Qwen3.5-Flash 3.7 7.2 22.2% 1 58.87s 6,685 302 90,081
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 9.56s 11,019 303 717
Qwen3.5-Flash 10.0 10.0 100.0% 0 17.78s 14,934 483 8,270
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 3.28s 7,140 228 157
Qwen3.5-Flash 7.3 5.9 83.3% 1 56.99s 6,061 235 16,237
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 5.3 10.0 33.3% 0 28.05s 723 69 11,609
Qwen3.5-Flash 5.3 7.2 44.4% 1 146.50s 581 58 43,615
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 5.17s 477 133 245
Qwen3.5-Flash 6.1 3.1 66.7% 1 40.05s 516 99 38,486
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 9.9 10.0 100.0% 0 3.74s 660 93 415
Qwen3.5-Flash 10.0 10.0 100.0% 0 63.49s 699 98 14,139
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.74s 642 279 954
Qwen3.5-Flash 8.2 7.2 88.9% 1 27.61s 381 89 12,457
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.96s 5,445 250 101
Qwen3.5-Flash 10.0 10.0 100.0% 0 10.33s 8,193 309 1,284
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 3.0 10.0 0.0% 0 10.06s 195 30 840
Qwen3.5-Flash 3.0 10.0 0.0% 0 48.98s 204 32 37,037

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