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KAT-Coder-Air V2.5 (high) vs GPT-6 Luna

KAT-Coder-Air V2.5 (high) leads on average score with 5.6 vs 5.6. GPT-6 Luna has the lower benchmark cost at $0.012 vs $0.077. KAT-Coder-Air V2.5 (high) is faster at 15.87s vs 19.08s, with pass rates of 42.4% vs 42.4%.

Last updated at: 2026-09-23

Compared models

Rank
#257
Total Output Tokens
114,654
Response Time (avg)
15.87s
Total Cost
$0.077
Rank
#260
Total Output Tokens
5,508
Response Time (avg)
19.08s
Total Cost
$0.012
Recommended model GPT-6 Luna

Its score stays close to the best score here (5.6 vs 5.6), while costing about 6.7x less than KAT-Coder-Air V2.5 (high).

Detailed comparison

Metric KAT-Coder-Air V2.5 KAT-Coder-Air V2.5 high Release: 2026-07-14 GPT-6 Luna GPT-6 Luna none Release: 2026-09-23
Score 5.6 5.6
Rank #257 #260
Reliability 9.8 9.9
Consistency 8.1 8.1
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 42.4% 42.4%
Flaky tests 5 5
Total Runs 66 66
Cost per result 1.091 0.164
Total Cost $0.077 $0.012
Input Price $0.150 / 1M $0.100 / 1M
Output Price $0.600 / 1M $0.500 / 1M
Total Input Tokens 50,423 87,216
Output Tokens 4,144 5,508
Reasoning Tokens 110,510 0
Response Time (avg) 15.87s 19.08s
Response Time (max) 118.35s 98.62s
Response Time (total) 349.16s 419.83s
Parameters ~35B total (~3B active) ~400B total (~17B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#257 KAT-Coder-Air V2.5

high
Reached the allocated time limit (300 seconds) without receiving showcase output.
Cost
$0.000
Time
300.0s
Tokens
0 tok

#260 GPT-6 Luna

none
Cost
$0.002
Time
26.0s
Tokens
3,235 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 4.3 7.3 11.1% 1 39.07s 6,948 1,166 55,883
GPT-6 Luna 5.5 10.0 33.3% 0 8.04s 7,302 376 0

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