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KAT-Coder-Pro V2.5 (medium) vs Qwen3.5 Plus 2026-02-15

Qwen3.5 Plus 2026-02-15 leads on average score with 6.3 vs 6.2. Qwen3.5 Plus 2026-02-15 has the lower benchmark cost at $0.176 vs $0.478. Qwen3.5 Plus 2026-02-15 is faster at 20.07s vs 23.94s, with pass rates of 62.3% vs 52.2%.

Last updated at: 2026-10-01

Compared models

Rank
#226
Total Output Tokens
139,375
Response Time (avg)
23.94s
Total Cost
$0.478
Rank
#218
Total Output Tokens
53,060
Response Time (avg)
20.07s
Total Cost
$0.176
Recommended model Qwen3.5 Plus 2026-02-15

It has the best score here (6.3), while costing about 2.7x less than KAT-Coder-Pro V2.5 (medium).

Detailed comparison

Metric KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 medium Release: 2026-07-14 Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 none Release: 2026-02-15
Score 6.2 6.3
Rank #226 #218
Reliability 10.0 10.0
Consistency 7.2 9.1
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 62.3% 52.2%
Flaky tests 8 3
Total Runs 69 69
Cost per result 4.342 1.593
Total Cost $0.478 $0.176
Input Price $0.740 / 1M $0.260 / 1M
Output Price $2.960 / 1M $1.560 / 1M
Total Input Tokens 87,916 346,064
Output Tokens 7,213 53,060
Reasoning Tokens 132,162 0
Response Time (avg) 23.94s 20.07s
Response Time (max) 257.00s 183.50s
Response Time (total) 550.52s 341.27s
Parameters ~700B total (~72B active) ~397B total (~17B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#226 KAT-Coder-Pro V2.5

medium
Cost
$0.009
Time
25.6s
Tokens
2,939 tok

#218 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
KAT-Coder-Pro V2.5 7.8 10.0 66.7% 0 33.10s 7,893 416 33,658
Qwen3.5 Plus 2026-02-15 4.3 7.9 11.1% 1 2.05s 7,913 473 0

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