AI BENCHY Compare

Kwaipilot: KAT-Coder-Pro V2.5 vs OpenAI: GPT-5 Nano

Summary

KAT-Coder-Pro V2.5 leads on average score with 6.8 vs 6.7. GPT-5 Nano (medium) has the lower benchmark cost at $0.081 vs $0.220. KAT-Coder-Pro V2.5 is faster at 10.81s vs 42.51s, with pass rates of 71.4% vs 57.1%.

Recommended modelKAT-Coder-Pro V2.5It has the best score here (6.8), while responding about 3.9x faster than GPT-5 Nano (medium).

Last updated at: 2026-07-14

Metric	KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 none Release: 2026-07-14	GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07

Metric	KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 none Release: 2026-07-14	GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07
Score	6.8	6.7
Rank	#89	#97
Reliability	10.0	10.0
Consistency	7.3	7.3
Tests Correct
Attempt pass rate	71.4%	57.1%
Flaky tests	7	7
Total Runs	63	63
Cost per result	1.992	0.897
Total Cost	$0.220	$0.081
Input Price	$0.740 / 1M	$0.050 / 1M
Output Price	$2.960 / 1M	$0.400 / 1M
Total Input Tokens	42,749	34,108
Output Tokens	63,338	5,464
Reasoning Tokens	0	192,064
Response Time (avg)	10.81s	42.51s
Response Time (max)	53.57s	204.02s
Response Time (total)	227.02s	595.09s

Generation showcase

Hamster playing table tennis

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

#89 KAT-Coder-Pro V2.5

none

Cost: $0.010
Time: 29.0s
Tokens: 3,439 tok

#97 GPT-5 Nano

medium

Cost: $0.006
Time: 108.5s
Tokens: 13,209 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-Pro V2.5	8.7	7.9	91.7%	1		4.58s	672	3,998	0
GPT-5 Nano	6.5	7.9	58.3%	1		25.50s	606	1,221	21,184

Coding	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Pro V2.5	6.1	4.7	66.7%	2		22.52s	7,893	22,440	0
GPT-5 Nano	7.0	7.7	55.6%	1		41.62s	7,305	740	41,152

Combined	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Pro V2.5	4.7	1.6	66.7%	1		30.76s	15,131	5,366	0
GPT-5 Nano	10.0	10.0	100.0%	0		65.96s	11,019	578	17,984

Data parsing and extraction	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Pro V2.5	10.0	10.0	100.0%	0		5.07s	7,776	2,361	0
GPT-5 Nano	3.7	1.7	50.0%	2		21.42s	7,140	453	10,560

Domain specific	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Pro V2.5	3.6	7.2	22.2%	1		21.64s	771	20,972	0
GPT-5 Nano	5.2	4.4	55.6%	2		204.02s	619	237	64,448

General Intelligence	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Pro V2.5	4.8	3.2	33.3%	1		5.16s	516	1,067	0
GPT-5 Nano	4.1	10.0	0.0%	0		17.51s	477	202	4,608

Instructions following	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Pro V2.5	9.8	10.0	100.0%	0		2.61s	699	1,084	0
GPT-5 Nano	9.8	10.0	100.0%	0		15.64s	660	312	4,736

Puzzle Solving	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Pro V2.5	8.2	7.2	88.9%	1		3.03s	696	1,929	0
GPT-5 Nano	5.3	7.2	44.4%	1		20.63s	642	929	14,272

Tool Calling	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Pro V2.5	10.0	10.0	100.0%	0		5.93s	8,391	1,103	0
GPT-5 Nano	10.0	10.0	100.0%	0		33.30s	5,445	558	6,976

Trivia	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
KAT-Coder-Pro V2.5	3.0	10.0	0.0%	0		9.91s	204	3,018	0
GPT-5 Nano	3.0	10.0	0.0%	0		20.13s	195	234	6,144

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