Navigate
AI BENCHY
Advertise here

Qwen3.5 Plus 2026-02-15 vs Qwen3.5 Plus 2026-04-20

Qwen3.5 Plus 2026-02-15 leads on average score with 6.4 vs 6.1. Qwen3.5 Plus 2026-02-15 has the lower benchmark cost at $0.073 vs $0.122. Qwen3.5 Plus 2026-02-15 is faster at 9.85s vs 13.56s, with pass rates of 48.5% vs 43.9%.

Last updated at: 2026-07-25

Rank
#117
Total Output Tokens
29,370
Response Time (avg)
9.85s
Total Cost
$0.073
Rank
#137
Total Output Tokens
51,487
Response Time (avg)
13.56s
Total Cost
$0.122
Recommended model Qwen3.5 Plus 2026-02-15

It has the best score here (6.4), while costing about 1.7x less than Qwen3.5 Plus 2026-04-20.

Detailed comparison

Metric Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 none Release: 2026-02-15 Qwen3.5 Plus 2026-04-20 Qwen3.5 Plus 2026-04-20 none Release: 2026-04-20
Score 6.4 6.1
Rank #117 #137
Reliability 10.0 10.0
Consistency 9.4 8.7
Tests Correct
Attempt pass rate 48.5% 43.9%
Flaky tests 2 4
Total Runs 66 66
Cost per result 0.751 1.636
Total Cost $0.073 $0.122
Input Price $0.260 / 1M $0.300 / 1M
Output Price $1.560 / 1M $1.800 / 1M
Total Input Tokens 102,646 94,468
Output Tokens 29,370 51,487
Reasoning Tokens 0 0
Response Time (avg) 9.85s 13.56s
Response Time (max) 123.00s 206.05s
Response Time (total) 157.63s 298.31s

Hamster playing table tennis

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

#117 Qwen3.5 Plus 2026-02-15

none
Cost
$0.012
Time
153.2s
Tokens
7,787 tok

#137 Qwen3.5 Plus 2026-04-20

none
Cost
$0.008
Time
77.0s
Tokens
4,369 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 2026-02-15 4.3 7.9 11.1% 1 2.05s 7,913 473 0
Qwen3.5 Plus 2026-04-20 3.9 7.8 11.1% 1 1.69s 7,913 480 0

Quick Compare

Switch Comparison Pair