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Qwen3.5 Plus 2026-04-20 vs Qwen3.6 Flash

The average score is effectively tied at 6.1 vs 6.1. Qwen3.6 Flash has the lower benchmark cost at $0.062 vs $0.122. Qwen3.6 Flash is faster at 3.73s vs 13.10s, with pass rates of 43.9% vs 34.9%.

Last updated at: 2026-09-08

Compared models

Rank
#202
Total Output Tokens
51,487
Response Time (avg)
13.10s
Total Cost
$0.122
Rank
#200
Total Output Tokens
30,947
Response Time (avg)
3.73s
Total Cost
$0.062
Recommended model Qwen3.6 Flash

It has the best score here (6.1), while costing about 2.0x less than Qwen3.5 Plus 2026-04-20.

Detailed comparison

Metric Qwen3.5 Plus 2026-04-20 Qwen3.5 Plus 2026-04-20 none Release: 2026-04-20 Qwen3.6 Flash Qwen3.6 Flash none Release: 2026-04-20
Score 6.1 6.1
Rank #202 #200
Reliability 10.0 10.0
Consistency 8.7 9.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 43.9% 34.9%
Flaky tests 4 1
Total Runs 66 66
Cost per result 1.636 0.935
Total Cost $0.122 $0.062
Input Price $0.300 / 1M $0.188 / 1M
Output Price $1.800 / 1M $1.125 / 1M
Total Input Tokens 94,477 139,797
Output Tokens 51,487 30,947
Reasoning Tokens 0 0
Response Time (avg) 13.10s 3.73s
Response Time (max) 206.05s 48.79s
Response Time (total) 288.23s 81.95s
Parameters ~397B total (~17B active) ~35B total (~3B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#202 Qwen3.5 Plus 2026-04-20

none
Cost
$0.008
Time
77.0s
Tokens
4,369 tok

#200 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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 3.9 7.8 11.1% 1 1.69s 7,913 480 0
Qwen3.6 Flash 5.4 10.0 33.3% 0 1.79s 6,488 889 0

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