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

Summary

KAT-Coder-Pro V2.5 (medium) leads on average score with 7.5 vs 7.3. KAT-Coder-Pro V2.5 (medium) has the lower benchmark cost at $0.275 vs $0.316. Claude Sonnet 4.6 is faster at 5.04s vs 12.95s, with pass rates of 55.6% vs 65.1%.

Recommended modelClaude Sonnet 4.6Its score stays close to the best score here (7.3 vs 7.5), while responding about 2.6x faster than KAT-Coder-Pro V2.5 (medium).

Last updated at: 2026-07-14

Metric Claude Sonnet 4.6 Claude Sonnet 4.6 none Release: 2026-02-17 KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 medium Release: 2026-07-14
Score 7.3 7.5
Rank #71 #60
Reliability 10.0 10.0
Consistency 9.7 7.7
Tests Correct
Attempt pass rate 55.6% 65.1%
Flaky tests 1 6
Total Runs 63 63
Cost per result 2.870 2.498
Total Cost $0.316 $0.275
Input Price $3.000 / 1M $0.740 / 1M
Output Price $15.000 / 1M $2.960 / 1M
Total Input Tokens 57,886 42,750
Output Tokens 9,465 2,098
Reasoning Tokens 0 80,027
Response Time (avg) 5.04s 12.95s
Response Time (max) 23.84s 81.45s
Response Time (total) 70.60s 271.92s

Generation showcase

Hamster playing table tennis

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

#71 Claude Sonnet 4.6

none
Cost
$0.038
Time
27.3s
Tokens
2,598 tok

#60 KAT-Coder-Pro V2.5

medium
Cost
$0.009
Time
25.6s
Tokens
2,939 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 5.5 10.0 33.3% 0 5.19s 8,522 2,127 0
KAT-Coder-Pro V2.5 7.8 10.0 66.7% 0 33.10s 7,893 416 33,658

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