AI BENCHY Compare

Kwaipilot: KAT-Coder-Pro V2.5 vs StepFun: Step 3.7 Flash

Summary

Step 3.7 Flash (medium) leads on average score with 8.5 vs 8.0. KAT-Coder-Pro V2.5 (low) has the lower benchmark cost at $0.220 vs $0.376. KAT-Coder-Pro V2.5 (low) is faster at 10.44s vs 20.35s, with pass rates of 71.4% vs 73.0%.

Recommended modelKAT-Coder-Pro V2.5 (low)Its score stays close to the best score here (8.0 vs 8.5), while costing about 1.7x less than Step 3.7 Flash (medium).

Last updated at: 2026-07-14

Metric	KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 low Release: 2026-07-14	Step 3.7 Flash Step 3.7 Flash medium Release: 2026-05-29

Metric	KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 low Release: 2026-07-14	Step 3.7 Flash Step 3.7 Flash medium Release: 2026-05-29
Score	8.0	8.5
Rank	#35	#23
Reliability	9.9	9.9
Consistency	7.3	9.3
Tests Correct
Attempt pass rate	71.4%	73.0%
Flaky tests	7	2
Total Runs	63	61
Cost per result	1.991	2.686
Total Cost	$0.220	$0.376
Input Price	$0.740 / 1M	$0.200 / 1M
Output Price	$2.960 / 1M	$1.150 / 1M
Total Input Tokens	42,750	39,981
Output Tokens	2,167	319,958
Reasoning Tokens	61,133	0
Response Time (avg)	10.44s	20.35s
Response Time (max)	51.34s	113.98s
Response Time (total)	219.17s	427.42s

Generation showcase

Hamster playing table tennis

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

#35 KAT-Coder-Pro V2.5

low

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

#23 Step 3.7 Flash

medium

Cost: $0.006
Time: 46.2s
Tokens: 4,466 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	6.9	5.8	75.0%	2		4.20s	672	277	4,228
Step 3.7 Flash	8.7	7.9	91.7%	1		9.65s	756	32,185	0

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
Step 3.7 Flash	8.8	7.8	88.9%	1		27.42s	7,437	44,797	0

Combined	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		14.59s	15,132	394	3,391
Step 3.7 Flash	10.0	10.0	100.0%	0		9.06s	13,683	7,106	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-Pro V2.5	10.0	10.0	100.0%	0		4.19s	7,776	288	1,917
Step 3.7 Flash	10.0	10.0	100.0%	0		2.75s	7,398	3,020	0

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	4.1	4.4	44.5%	2		17.52s	771	35	16,877
Step 3.7 Flash	7.7	10.0	66.7%	0		48.27s	708	70,347	0

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	4.1	2.7	33.3%	1		2.32s	516	99	412
Step 3.7 Flash	4.0	10.0	0.0%	0		6.85s	525	3,987	0

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	10.0	10.0	100.0%	0		2.53s	699	83	1,008
Step 3.7 Flash	9.8	10.0	100.0%	0		1.83s	735	2,166	0

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	6.4	4.4	77.8%	2		3.11s	696	289	1,820
Step 3.7 Flash	5.7	9.9	33.3%	0		6.19s	756	15,071	0

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		18.45s	8,391	282	834
Step 3.7 Flash	10.0	10.0	100.0%	0		4.16s	7,746	2,115	0

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		17.06s	204	18	5,701
Step 3.7 Flash	3.0	10.0	0.0%	0		113.98s	237	139,164	0

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