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Anthropic: Claude Sonnet 4.6 vs Kwaipilot: KAT-Coder-Pro V2.5

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 $1.418. KAT-Coder-Pro V2.5 (low) is faster at 10.44s vs 17.06s, with pass rates of 65.1% vs 71.4%.

Recommended modelKAT-Coder-Pro V2.5 (low)It has the best score here (8.0), while costing about 6.5x less than Claude Sonnet 4.6 (medium).

Last updated at: 2026-07-14

Metric Claude Sonnet 4.6 Claude Sonnet 4.6 medium Release: 2026-02-17 KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 low Release: 2026-07-14
Score 7.8 8.0
Rank #40 #35
Reliability 10.0 9.9
Consistency 9.1 7.3
Tests Correct
Attempt pass rate 65.1% 71.4%
Flaky tests 2 7
Total Runs 63 63
Cost per result 10.904 1.991
Total Cost $1.418 $0.220
Input Price $3.000 / 1M $0.740 / 1M
Output Price $15.000 / 1M $2.960 / 1M
Total Input Tokens 49,112 42,750
Output Tokens 54,703 2,167
Reasoning Tokens 29,970 61,133
Response Time (avg) 17.06s 10.44s
Response Time (max) 46.35s 51.34s
Response Time (total) 221.83s 219.17s

Generation showcase

Hamster playing table tennis

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

#40 Claude Sonnet 4.6

medium
Invalid SVG
Cost
$0.000
Time
300.0s
Tokens
0 tok

#35 KAT-Coder-Pro V2.5

low
Cost
$0.016
Time
47.6s
Tokens
5,182 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
Claude Sonnet 4.6 5.7 6.6 44.4% 1 33.29s 6,995 16,089 3,686
KAT-Coder-Pro V2.5 7.8 10.0 66.7% 0 24.87s 7,893 402 24,945

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