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Qwen: Qwen3.5-9B vs Qwen: Qwen3.6 Flash

Summary

Qwen3.5-9B vs Qwen3.6 Flash benchmark comparison: Qwen3.6 Flash leads on average score with 5.4 vs 4.6. Qwen3.5-9B has the lower benchmark cost at $0.006 vs $0.015. Qwen3.6 Flash is faster at 1.60s vs 1.89s, with pass rates of 20.6% vs 33.3%.

Recommended model: Qwen3.5-9B - Its score stays close to the best score here (4.6 vs 5.4), while costing about 2.6x less than Qwen3.6 Flash.

Last updated at: 2026-06-10

Metric Qwen3.5-9B Qwen3.5-9B none Release: 2026-03-02 Qwen3.6 Flash Qwen3.6 Flash none Release: 2026-04-20
Score 4.6 5.4
Rank #155 #129
Reliability 10.0 10.0
Consistency 9.7 10.0
Tests Correct
Attempt pass rate 20.6% 33.3%
Flaky tests 1 0
Total Runs 63 63
Cost per result 0.123 0.266
Total Cost $0.006 $0.015
Input Price $0.100 / 1M $0.188 / 1M
Output Price $0.150 / 1M $1.125 / 1M
Total Input Tokens 48,041 50,810
Output Tokens 3,952 4,164
Reasoning Tokens 0 0
Response Time (avg) 1.89s 1.60s
Response Time (max) 6.03s 4.60s
Response Time (total) 39.68s 33.59s

Generation showcase

Hamster playing table tennis

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

#155 Qwen3.5-9B

none
Invalid SVG
Cost
$0.000
Time
300.0s
Tokens
0 tok

#129 Qwen3.6 Flash

none
Cost
$0.005
Time
20.1s
Tokens
4,211 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
Qwen3.5-9B 3.1 9.9 0.0% 0 1.71s 696 582 0
Qwen3.6 Flash 3.1 10.0 0.0% 0 1.63s 696 1,554 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5-9B 3.9 7.8 11.1% 1 5.60s 7,913 1,042 0
Qwen3.6 Flash 5.4 10.0 33.3% 0 1.79s 6,488 889 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5-9B 3.0 10.0 0.0% 0 5.91s 20,397 1,255 0
Qwen3.6 Flash 3.0 10.0 0.0% 0 4.22s 24,675 315 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5-9B 10.0 10.0 100.0% 0 847ms 7,788 249 0
Qwen3.6 Flash 10.0 10.0 100.0% 0 2.13s 7,794 243 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5-9B 3.0 10.0 0.0% 0 464ms 789 24 0
Qwen3.6 Flash 5.3 10.0 33.3% 0 1.11s 789 15 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5-9B 4.4 9.9 0.0% 0 552ms 522 99 0
Qwen3.6 Flash 10.0 10.0 100.0% 0 947ms 522 132 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5-9B 6.5 10.0 50.0% 0 514ms 711 75 0
Qwen3.6 Flash 6.3 10.0 50.0% 0 1.10s 711 66 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5-9B 3.2 10.0 0.0% 0 621ms 714 347 0
Qwen3.6 Flash 3.5 10.0 0.0% 0 1.21s 714 669 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5-9B 10.0 10.0 100.0% 0 1.27s 8,301 273 0
Qwen3.6 Flash 10.0 10.0 100.0% 0 2.49s 8,211 272 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5-9B 3.0 10.0 0.0% 0 2.32s 210 6 0
Qwen3.6 Flash 3.0 10.0 0.0% 0 649ms 210 9 0

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