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Qwen3.5-27B vs Qwen3.5 Plus 2026-02-15

Qwen3.5-27B leads on average score with 6.6 vs 6.6. Qwen3.5-27B has the lower benchmark cost at $0.058 vs $0.073. Qwen3.5-27B is faster at 4.77s vs 9.86s, with pass rates of 45.5% vs 53.0%.

Last updated at: 2026-08-15

Rank
#144
Total Output Tokens
24,323
Response Time (avg)
4.77s
Total Cost
$0.058
Rank
#149
Total Output Tokens
29,370
Response Time (avg)
9.86s
Total Cost
$0.073
Recommended model Qwen3.5-27B

It has the best score here (6.6), while responding about 2.1x faster than Qwen3.5 Plus 2026-02-15.

Detailed comparison

Metric Qwen3.5-27B Qwen3.5-27B none Release: 2026-02-24 Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 none Release: 2026-02-15
Score 6.6 6.6
Rank #144 #149
Reliability 10.0 10.0
Consistency 9.3 9.4
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 45.5% 53.0%
Flaky tests 2 2
Total Runs 66 66
Cost per result 0.678 0.682
Total Cost $0.058 $0.073
Input Price $0.195 / 1M $0.260 / 1M
Output Price $1.560 / 1M $1.560 / 1M
Total Input Tokens 102,325 102,655
Output Tokens 24,323 29,370
Reasoning Tokens 0 0
Response Time (avg) 4.77s 9.86s
Response Time (max) 69.46s 123.00s
Response Time (total) 105.00s 157.77s
Parameters 27B ~397B total (~17B active)
Availability Open source Closed

Model generation showcase

Hamster playing table tennis

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

#144 Qwen3.5-27B

none
Cost
$0.007
Time
42.9s
Tokens
4,273 tok

#149 Qwen3.5 Plus 2026-02-15

none
Cost
$0.012
Time
153.2s
Tokens
7,787 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
Qwen3.5-27B 5.8 10.0 33.3% 0 1.80s 7,913 415 0
Qwen3.5 Plus 2026-02-15 4.3 7.9 11.1% 1 2.05s 7,913 473 0

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