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Claude Sonnet 5.5 (medium) vs KAT-Coder-Pro V2.5 (high)

Claude Sonnet 5.5 (medium) leads on average score with 6.5 vs 6.5. KAT-Coder-Pro V2.5 (high) has the lower benchmark cost at $0.506 vs $1.100. Claude Sonnet 5.5 (medium) is faster at 8.03s vs 21.21s, with pass rates of 40.6% vs 60.9%.

Last updated at: 2026-10-01

Compared models

Rank
#192
Total Output Tokens
37,748
Response Time (avg)
8.03s
Total Cost
$1.100
Rank
#198
Total Output Tokens
144,359
Response Time (avg)
21.21s
Total Cost
$0.506
Recommended model Claude Sonnet 5.5 (medium)

It has the best score here (6.5), while responding about 2.6x faster than KAT-Coder-Pro V2.5 (high).

Detailed comparison

Metric Claude Sonnet 5.5 Claude Sonnet 5.5 medium Release: 2026-09-29 KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 high Release: 2026-07-14
Score 6.5 6.5
Rank #192 #198
Reliability 10.0 10.0
Consistency 9.7 7.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 40.6% 60.9%
Flaky tests 1 6
Total Runs 69 69
Cost per result 12.221 4.599
Total Cost $1.100 $0.506
Input Price $2.000 / 1M $0.740 / 1M
Output Price $10.000 / 1M $2.960 / 1M
Total Input Tokens 361,183 106,085
Output Tokens 26,609 9,071
Reasoning Tokens 11,139 135,288
Response Time (avg) 8.03s 21.21s
Response Time (max) 51.18s 199.97s
Response Time (total) 184.80s 487.83s
Parameters ~1T total (~100B active) ~700B total (~72B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#192 Claude Sonnet 5.5

medium
Cost
$0.024
Time
17.4s
Tokens
2,525 tok

#198 KAT-Coder-Pro V2.5

high
Cost
$0.009
Time
26.4s
Tokens
3,117 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 5.5 3.4 9.7 0.0% 0 6.07s 10,608 6,767 0
KAT-Coder-Pro V2.5 6.4 7.9 44.4% 1 22.00s 7,893 422 20,461

Quick Compare

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