AI BENCHY Compare

Kwaipilot: KAT-Coder-Air V2.5 vs Nemotron 3 Ultra 550b A55b

Summary

Nemotron 3 Ultra 550b A55b leads on average score with 6.1 vs 6.0. Nemotron 3 Ultra 550b A55b has the lower benchmark cost at $0.027 vs $0.030. Nemotron 3 Ultra 550b A55b is faster at 2.27s vs 6.47s, with pass rates of 46.0% vs 44.4%.

Recommended modelNemotron 3 Ultra 550b A55bIt has the best score here (6.1), while responding about 2.8x faster than KAT-Coder-Air V2.5 (low).

Last updated at: 2026-07-14

Metric	KAT-Coder-Air V2.5 KAT-Coder-Air V2.5 low Release: 2026-07-14	Nemotron 3 Ultra 550b A55b Nemotron 3 Ultra 550b A55b none Release: 2026-06-04 Free Available

Metric	KAT-Coder-Air V2.5 KAT-Coder-Air V2.5 low Release: 2026-07-14	Nemotron 3 Ultra 550b A55b Nemotron 3 Ultra 550b A55b none Release: 2026-06-04 Free Available
Score	6.0	6.1
Rank	#124	#121
Reliability	9.7	10.0
Consistency	7.6	9.2
Tests Correct
Attempt pass rate	46.0%	44.4%
Flaky tests	6	2
Total Runs	63	63
Cost per result	0.427	0.000
Total Cost	$0.030	$0.027
Input Price	$0.150 / 1M	$0.500 / 1M
Output Price	$0.600 / 1M	$2.200 / 1M
Total Input Tokens	42,464	43,326
Output Tokens	4,227	2,138
Reasoning Tokens	34,864	0
Response Time (avg)	6.47s	2.27s
Response Time (max)	25.49s	13.49s
Response Time (total)	135.80s	47.65s

Generation showcase

Hamster playing table tennis

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

#124 KAT-Coder-Air V2.5

low

Cost: $0.004
Time: 29.9s
Tokens: 6,008 tok

#121 Nemotron 3 Ultra 550b A55b

none

Cost: $0.000
Time: 149.6s
Tokens: 3,405 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	7.3	5.8	83.3%	2		3.50s	672	422	1,548
Nemotron 3 Ultra 550b A55b	3.5	8.0	16.7%	1		2.35s	696	239	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	3.5	7.3	11.1%	1		11.06s	7,893	2,001	13,623
Nemotron 3 Ultra 550b A55b	5.5	10.0	33.3%	0		1.02s	7,623	369	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		25.49s	15,132	368	5,707
Nemotron 3 Ultra 550b A55b	3.0	10.0	0.0%	0		4.79s	15,558	357	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		2.82s	7,776	261	1,069
Nemotron 3 Ultra 550b A55b	10.0	10.0	100.0%	0		1.94s	7,944	249	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	2.9	7.2	11.1%	1		4.99s	553	310	3,332
Nemotron 3 Ultra 550b A55b	5.3	10.0	33.3%	0		698ms	789	27	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		10.11s	516	142	596
Nemotron 3 Ultra 550b A55b	5.0	10.0	0.0%	0		13.49s	516	101	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	9.8	10.0	100.0%	0		1.64s	699	89	640
Nemotron 3 Ultra 550b A55b	10.0	10.0	100.0%	0		1.46s	723	69	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	3.1	4.6	22.2%	2		1.57s	696	294	796
Nemotron 3 Ultra 550b A55b	5.9	7.2	55.6%	1		1.06s	726	352	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		4.47s	8,391	330	1,065
Nemotron 3 Ultra 550b A55b	10.0	10.0	100.0%	0		2.99s	8,544	264	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		19.98s	136	10	6,488
Nemotron 3 Ultra 550b A55b	3.0	10.0	0.0%	0		1.83s	207	111	0

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