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Kwaipilot: KAT-Coder-Air V2.5 vs OpenAI: GPT-5.5

Summary

GPT-5.5 (low) leads on average score with 9.3 vs 6.2. KAT-Coder-Air V2.5 (medium) has the lower benchmark cost at $0.045 vs $0.907. KAT-Coder-Air V2.5 (medium) is faster at 8.28s vs 9.76s, with pass rates of 47.6% vs 85.7%.

Recommended modelGPT-5.5 (low)It has the strongest score in this comparison (9.3) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-07-14

Metric KAT-Coder-Air V2.5 KAT-Coder-Air V2.5 medium Release: 2026-07-14 GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score 6.2 9.3
Rank #115 #7
Reliability 9.7 10.0
Consistency 8.8 10.0
Tests Correct
Attempt pass rate 47.6% 85.7%
Flaky tests 3 0
Total Runs 63 63
Cost per result 0.562 5.035
Total Cost $0.045 $0.907
Input Price $0.150 / 1M $5.000 / 1M
Output Price $0.600 / 1M $30.000 / 1M
Total Input Tokens 42,750 34,209
Output Tokens 7,759 2,046
Reasoning Tokens 56,357 22,460
Response Time (avg) 8.28s 9.76s
Response Time (max) 48.19s 56.19s
Response Time (total) 173.80s 204.92s

Generation showcase

Hamster playing table tennis

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

#115 KAT-Coder-Air V2.5

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

#7 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 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
GPT-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402

Quick Compare

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