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KAT-Coder-Air V2.5 (medium) vs Hy4 preview (low)

The average score is effectively tied at 5.6 vs 5.6. KAT-Coder-Air V2.5 (medium) has the lower benchmark cost at $0.048 vs $1.745. KAT-Coder-Air V2.5 (medium) is faster at 8.65s vs 214.25s, with pass rates of 45.5% vs 19.7%.

Last updated at: 2026-08-29

Rank
#215
Total Output Tokens
66,576
Response Time (avg)
8.65s
Total Cost
$0.048
Rank
#217
Total Output Tokens
682,538
Response Time (avg)
214.25s
Total Cost
$1.745
Recommended model KAT-Coder-Air V2.5 (medium)

It has the best score here (5.6), while costing about 36.6x less than Hy4 preview (low).

Detailed comparison

Metric KAT-Coder-Air V2.5 KAT-Coder-Air V2.5 medium Release: 2026-07-14 Hy4 preview Hy4 preview low Release: 2026-08-29
Score 5.6 5.6
Rank #215 #217
Reliability 9.6 5.4
Consistency 8.9 8.5
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 45.5% 19.7%
Flaky tests 3 3
Total Runs 66 66
Cost per result 0.596 58.157
Total Cost $0.048 $1.745
Input Price $0.150 / 1M $0.834 / 1M
Output Price $0.600 / 1M $2.501 / 1M
Total Input Tokens 51,369 45,154
Output Tokens 8,008 4,022
Reasoning Tokens 58,568 678,516
Response Time (avg) 8.65s 214.25s
Response Time (max) 48.19s 597.45s
Response Time (total) 190.35s 4713.56s
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.

#215 KAT-Coder-Air V2.5

medium
Cost
$0.003
Time
23.7s
Tokens
4,924 tok

#217 Hy4 preview

low
Provider returned error
Cost
$0.000
Time
1.1s
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 3.6 7.0 22.2% 1 23.37s 7,893 5,199 29,973
Hy4 preview 5.2 8.6 0.0% 0 219.15s 6,110 135 96,407

Quick Compare

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