AI BENCHY Compare

Anthropic: Claude Sonnet 5 vs Kwaipilot: KAT-Coder-Pro V2.5

Summary

KAT-Coder-Pro V2.5 (low) leads on average score with 8.0 vs 7.9. KAT-Coder-Pro V2.5 (low) has the lower benchmark cost at $0.220 vs $0.550. Claude Sonnet 5 (medium) is faster at 9.94s vs 10.44s, with pass rates of 79.4% vs 71.4%.

Recommended modelKAT-Coder-Pro V2.5 (low)It has the best score here (8.0), while costing about 2.5x less than Claude Sonnet 5 (medium).

Last updated at: 2026-07-14

Metric	Claude Sonnet 5 Claude Sonnet 5 medium Release: 2026-06-30	KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 low Release: 2026-07-14

Metric	Claude Sonnet 5 Claude Sonnet 5 medium Release: 2026-06-30	KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 low Release: 2026-07-14
Score	7.9	8.0
Rank	#37	#35
Reliability	10.0	9.9
Consistency	9.0	7.3
Tests Correct
Attempt pass rate	79.4%	71.4%
Flaky tests	3	7
Total Runs	63	63
Cost per result	3.662	1.991
Total Cost	$0.550	$0.220
Input Price	$2.000 / 1M	$0.740 / 1M
Output Price	$10.000 / 1M	$2.960 / 1M
Total Input Tokens	67,416	42,750
Output Tokens	34,012	2,167
Reasoning Tokens	7,673	61,133
Response Time (avg)	9.94s	10.44s
Response Time (max)	56.94s	51.34s
Response Time (total)	208.71s	219.17s

Generation showcase

Hamster playing table tennis

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

#37 Claude Sonnet 5

medium

Cost: $0.007
Time: 6.4s
Tokens: 832 tok

#35 KAT-Coder-Pro V2.5

low

Cost: $0.016
Time: 47.6s
Tokens: 5,182 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
Claude Sonnet 5	10.0	10.0	100.0%	0		3.80s	834	1,220	446
KAT-Coder-Pro V2.5	6.9	5.8	75.0%	2		4.20s	672	277	4,228

Coding	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Claude Sonnet 5	9.0	7.9	88.9%	1		17.28s	10,590	13,153	2,379
KAT-Coder-Pro V2.5	7.8	10.0	66.7%	0		24.87s	7,893	402	24,945

Combined	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Claude Sonnet 5	4.5	2.1	66.7%	1		37.01s	29,394	4,848	2,170
KAT-Coder-Pro V2.5	10.0	10.0	100.0%	0		14.59s	15,132	394	3,391

Data parsing and extraction	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Claude Sonnet 5	10.0	10.0	100.0%	0		3.16s	10,503	312	0
KAT-Coder-Pro V2.5	10.0	10.0	100.0%	0		4.19s	7,776	288	1,917

Domain specific	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Claude Sonnet 5	7.7	10.0	66.7%	0		20.38s	975	12,140	1,994
KAT-Coder-Pro V2.5	4.1	4.4	44.5%	2		17.52s	771	35	16,877

General Intelligence	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Claude Sonnet 5	4.8	3.2	33.3%	1		4.32s	708	264	0
KAT-Coder-Pro V2.5	4.1	2.7	33.3%	1		2.32s	516	99	412

Instructions following	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Claude Sonnet 5	9.9	10.0	100.0%	0		3.10s	909	318	269
KAT-Coder-Pro V2.5	10.0	10.0	100.0%	0		2.53s	699	83	1,008

Puzzle Solving	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Claude Sonnet 5	7.7	10.0	66.7%	0		2.98s	894	407	121
KAT-Coder-Pro V2.5	6.4	4.4	77.8%	2		3.11s	696	289	1,820

Tool Calling	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Claude Sonnet 5	10.0	10.0	100.0%	0		10.70s	12,351	433	90
KAT-Coder-Pro V2.5	10.0	10.0	100.0%	0		18.45s	8,391	282	834

Trivia	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Claude Sonnet 5	3.0	10.0	0.0%	0		7.06s	258	917	204
KAT-Coder-Pro V2.5	3.0	10.0	0.0%	0		17.06s	204	18	5,701

Quick Compare

Switch Comparison Pair