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KAT-Coder-Pro V2.5 (low) vs GPT-5.5 (medium)

GPT-5.5 (medium) leads on average score with 9.0 vs 7.4. KAT-Coder-Pro V2.5 (low) has the lower benchmark cost at $0.387 vs $4.137. KAT-Coder-Pro V2.5 (low) is faster at 19.47s vs 38.42s, with pass rates of 69.7% vs 87.9%.

Last updated at: 2026-07-25

Rank
#70
Total Output Tokens
108,640
Response Time (avg)
19.47s
Total Cost
$0.387
Rank
#15
Total Output Tokens
124,436
Response Time (avg)
38.42s
Total Cost
$4.137
Recommended model GPT-5.5 (medium)

It has the strongest score in this comparison (9.0) and the best overall balance of cost and response time across all 2 models.

Detailed comparison

Metric KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 low Release: 2026-07-14 GPT-5.5 GPT-5.5 medium Release: 2026-04-24
Score 7.4 9.0
Rank #70 #15
Reliability 10.0 10.0
Consistency 7.0 8.9
Tests Correct
Attempt pass rate 69.7% 87.9%
Flaky tests 8 3
Total Runs 66 66
Cost per result 3.514 22.980
Total Cost $0.387 $4.137
Input Price $0.740 / 1M $5.000 / 1M
Output Price $2.960 / 1M $30.000 / 1M
Total Input Tokens 87,673 80,659
Output Tokens 7,166 5,617
Reasoning Tokens 101,474 118,819
Response Time (avg) 19.47s 38.42s
Response Time (max) 209.15s 332.10s
Response Time (total) 428.31s 845.35s

Hamster playing table tennis

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

#70 KAT-Coder-Pro V2.5

low
Cost
$0.016
Time
47.6s
Tokens
5,182 tok

#15 GPT-5.5

medium
Cost
$0.112
Time
71.9s
Tokens
3,807 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-Pro V2.5 7.8 10.0 66.7% 0 24.87s 7,893 402 24,945
GPT-5.5 8.8 7.8 88.9% 1 59.77s 7,305 362 24,959

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