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Kwaipilot: KAT-Coder-Pro V2.5 vs Qwen: Qwen3.5 Plus 2026-04-20

Summary

KAT-Coder-Pro V2.5 (low) leads on average score with 8.0 vs 7.8. KAT-Coder-Pro V2.5 (low) has the lower benchmark cost at $0.220 vs $0.317. KAT-Coder-Pro V2.5 (low) is faster at 10.44s vs 46.36s, with pass rates of 71.4% vs 66.7%.

Recommended modelKAT-Coder-Pro V2.5 (low)It has the best score here (8.0), while responding about 4.4x faster than Qwen3.5 Plus 2026-04-20 (medium).

Last updated at: 2026-07-14

Metric KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 low Release: 2026-07-14 Qwen3.5 Plus 2026-04-20 Qwen3.5 Plus 2026-04-20 medium Release: 2026-04-20
Score 8.0 7.8
Rank #35 #43
Reliability 9.9 10.0
Consistency 7.3 9.0
Tests Correct
Attempt pass rate 71.4% 66.7%
Flaky tests 7 2
Total Runs 63 63
Cost per result 1.991 3.023
Total Cost $0.220 $0.317
Input Price $0.740 / 1M $0.300 / 1M
Output Price $2.960 / 1M $1.800 / 1M
Total Input Tokens 42,750 42,097
Output Tokens 2,167 2,280
Reasoning Tokens 61,133 166,613
Response Time (avg) 10.44s 46.36s
Response Time (max) 51.34s 189.38s
Response Time (total) 219.17s 973.57s

Generation showcase

Hamster playing table tennis

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

#35 KAT-Coder-Pro V2.5

low
Cost
$0.016
Time
47.6s
Tokens
5,182 tok

#43 Qwen3.5 Plus 2026-04-20

medium
Cost
$0.008
Time
76.7s
Tokens
4,355 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 24.87s 7,893 402 24,945
Qwen3.5 Plus 2026-04-20 6.2 8.7 33.3% 0 125.25s 7,630 308 58,682

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