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KAT Coder AIR V2.5 (low) vs Hy4 preview

KAT Coder AIR V2.5 (low) leads on average score with 5.0 vs 4.9. KAT Coder AIR V2.5 (low) has the lower benchmark cost at $0.046 vs $0.161. KAT Coder AIR V2.5 (low) is faster at 10.21s vs 40.38s, with pass rates of 42.0% vs 15.9%.

Last updated at: 2026-10-01

Compared models

Rank
#301
Total Output Tokens
60,414
Response Time (avg)
10.21s
Total Cost
$0.046
Rank
#310
Total Output Tokens
9,430
Response Time (avg)
40.38s
Total Cost
$0.161
Recommended model KAT Coder AIR V2.5 (low)

It has the best score here (5.0), while costing about 3.5x less than Hy4 preview.

Detailed comparison

Metric KAT Coder AIR V2.5 KAT Coder AIR V2.5 low Release: 2026-07-14 Hy4 preview Hy4 preview none Release: 2026-08-29
Score 5.0 4.9
Rank #301 #310
Reliability 9.9 6.2
Consistency 7.8 9.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 42.0% 15.9%
Flaky tests 6 1
Total Runs 69 69
Cost per result 0.649 5.475
Total Cost $0.046 $0.161
Input Price $0.000 / 1M $0.751 / 1M
Output Price $0.000 / 1M $2.251 / 1M
Total Input Tokens 61,094 185,167
Output Tokens 6,532 9,430
Reasoning Tokens 53,882 0
Response Time (avg) 10.21s 40.38s
Response Time (max) 86.23s 95.32s
Response Time (total) 234.86s 928.76s
Parameters ~35B total (~3B active) 770B total (49B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#301 KAT Coder AIR V2.5

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

#310 Hy4 preview

none
This operation was aborted
Cost
$0.000
Time
0.0s
Tokens
0 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
Hy4 preview 3.8 9.4 0.0% 0 45.53s 6,646 4,103 0

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