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GPT-5 Nano (medium) vs Qwen3.5 Plus 2026-04-20

The average score is effectively tied at 6.1 vs 6.1. GPT-5 Nano (medium) has the lower benchmark cost at $0.114 vs $0.122. Qwen3.5 Plus 2026-04-20 is faster at 13.56s vs 54.87s, with pass rates of 56.1% vs 43.9%.

Last updated at: 2026-07-25

Rank
#139
Total Output Tokens
273,098
Response Time (avg)
54.87s
Total Cost
$0.114
Rank
#137
Total Output Tokens
51,487
Response Time (avg)
13.56s
Total Cost
$0.122
Recommended model Qwen3.5 Plus 2026-04-20

It has the best score here (6.1), while responding about 4.0x faster than GPT-5 Nano (medium).

Detailed comparison

Metric GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07 Qwen3.5 Plus 2026-04-20 Qwen3.5 Plus 2026-04-20 none Release: 2026-04-20
Score 6.1 6.1
Rank #139 #137
Reliability 10.0 10.0
Consistency 7.0 8.7
Tests Correct
Attempt pass rate 56.1% 43.9%
Flaky tests 8 4
Total Runs 66 66
Cost per result 1.267 1.636
Total Cost $0.114 $0.122
Input Price $0.050 / 1M $0.300 / 1M
Output Price $0.400 / 1M $1.800 / 1M
Total Input Tokens 94,935 94,468
Output Tokens 12,042 51,487
Reasoning Tokens 261,056 0
Response Time (avg) 54.87s 13.56s
Response Time (max) 227.89s 206.05s
Response Time (total) 822.99s 298.31s

Hamster playing table tennis

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

#139 GPT-5 Nano

medium
Cost
$0.006
Time
108.5s
Tokens
13,209 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
GPT-5 Nano 7.0 7.7 55.6% 1 41.62s 7,305 740 41,152
Qwen3.5 Plus 2026-04-20 3.9 7.8 11.1% 1 1.69s 7,913 480 0

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