AI BENCHY Compare

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

Summary

GPT-5.5 leads on average score with 6.3 vs 6.2. KAT-Coder-Air V2.5 (medium) has the lower benchmark cost at $0.045 vs $0.231. GPT-5.5 is faster at 1.89s vs 8.28s, with pass rates of 47.6% vs 54.0%.

Recommended modelKAT-Coder-Air V2.5 (medium)Its score stays close to the best score here (6.2 vs 6.3), while costing about 5.1x less than GPT-5.5.

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 none Release: 2026-04-24

Metric	KAT-Coder-Air V2.5 KAT-Coder-Air V2.5 medium Release: 2026-07-14	GPT-5.5 GPT-5.5 none Release: 2026-04-24
Score	6.2	6.3
Rank	#115	#109
Reliability	9.7	10.0
Consistency	8.8	8.8
Tests Correct
Attempt pass rate	47.6%	54.0%
Flaky tests	3	3
Total Runs	63	63
Cost per result	0.562	2.302
Total Cost	$0.045	$0.231
Input Price	$0.150 / 1M	$5.000 / 1M
Output Price	$0.600 / 1M	$30.000 / 1M
Total Input Tokens	42,750	34,212
Output Tokens	7,759	1,971
Reasoning Tokens	56,357	0
Response Time (avg)	8.28s	1.89s
Response Time (max)	48.19s	5.56s
Response Time (total)	173.80s	39.64s

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

#109 GPT-5.5

none

Cost: $0.090
Time: 54.3s
Tokens: 3,063 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

Category:

Anti-AI Tricks	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Air V2.5	8.7	8.0	91.7%	1		3.79s	672	549	4,194
GPT-5.5	6.9	7.9	66.7%	1		1.31s	606	213	0

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	5.5	10.0	33.3%	0		1.35s	7,305	462	0

Combined	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Air V2.5	10.0	10.0	100.0%	0		27.68s	15,132	372	4,816
GPT-5.5	3.0	10.0	0.0%	0		5.56s	11,019	300	0

Data parsing and extraction	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Air V2.5	6.5	10.0	50.0%	0		3.65s	7,776	268	1,881
GPT-5.5	10.0	10.0	100.0%	0		1.18s	7,140	222	0

Domain specific	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Air V2.5	3.0	10.0	0.0%	0		4.87s	771	487	4,454
GPT-5.5	2.9	7.2	11.1%	1		1.31s	723	52	0

General Intelligence	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Air V2.5	5.0	10.0	0.0%	0		9.81s	516	189	557
GPT-5.5	10.0	10.0	100.0%	0		3.41s	477	124	0

Instructions following	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Air V2.5	10.0	10.0	100.0%	0		1.50s	699	93	730
GPT-5.5	6.2	5.8	66.7%	1		1.15s	660	81	0

Puzzle Solving	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	7.2	22.2%	1		1.87s	696	265	1,184
GPT-5.5	7.7	10.0	66.7%	0		1.29s	642	252	0

Tool Calling	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Air V2.5	10.0	10.0	100.0%	0		4.77s	8,391	317	906
GPT-5.5	10.0	10.0	100.0%	0		3.90s	5,445	247	0

Trivia	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Air V2.5	3.0	10.0	0.0%	0		15.74s	204	20	7,662
GPT-5.5	3.0	10.0	0.0%	0		5.01s	195	18	0

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