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KAT-Coder-Air V2.5 (low) vs Laguna S 2.1 (medium)

The average score is effectively tied at 5.4 vs 5.4. KAT-Coder-Air V2.5 (low) has the lower benchmark cost at $0.046 vs $0.053. KAT-Coder-Air V2.5 (low) is faster at 10.63s vs 58.42s, with pass rates of 43.9% vs 24.2%.

Last updated at: 2026-09-04

Rank
#240
Total Output Tokens
60,414
Response Time (avg)
10.63s
Total Cost
$0.046
Rank
#239
Total Output Tokens
339,595
Response Time (avg)
58.42s
Total Cost
$0.053
Recommended model KAT-Coder-Air V2.5 (low)

It has the best score here (5.4), while responding about 5.5x faster than Laguna S 2.1 (medium).

Detailed comparison

Metric KAT-Coder-Air V2.5 KAT-Coder-Air V2.5 low Release: 2026-07-14 Laguna S 2.1 Laguna S 2.1 medium Release: 2026-07-21 Free Available
Score 5.4 5.4
Rank #240 #239
Reliability 9.9 10.0
Consistency 7.8 8.8
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 43.9% 24.2%
Flaky tests 6 3
Total Runs 66 66
Cost per result 0.649 1.451
Total Cost $0.046 $0.053
Input Price $0.150 / 1M $0.090 / 1M
Output Price $0.600 / 1M $0.180 / 1M
Total Input Tokens 61,094 86,647
Output Tokens 6,532 97,298
Reasoning Tokens 53,882 242,297
Response Time (avg) 10.63s 58.42s
Response Time (max) 86.23s 560.31s
Response Time (total) 233.77s 1285.26s
Parameters ~35B total (~3B active) 118B total (8B active)
Availability Closed Weights available

Model generation showcase

Hamster playing table tennis

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

#240 KAT-Coder-Air V2.5

low
Cost
$0.004
Time
29.9s
Tokens
6,008 tok

#239 Laguna S 2.1

medium
Cost
$0.001
Time
4.0s
Tokens
867 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-Air V2.5 3.5 7.3 11.1% 1 11.06s 7,893 2,001 13,623
Laguna S 2.1 5.3 7.2 44.4% 1 158.98s 7,917 93,354 106,718

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