AI BENCHY Compare

MoonshotAI: Kimi K3 vs OpenAI: GPT-5.5

Summary

GPT-5.5 (medium) leads on average score with 9.0 vs 8.5. Kimi K3 (max) has the lower benchmark cost at $3.112 vs $3.679. GPT-5.5 (medium) is faster at 37.98s vs 122.48s, with pass rates of 82.5% vs 87.3%.

Recommended modelGPT-5.5 (medium)It has the best score here (9.0), while responding about 3.2x faster than Kimi K3 (max).

Last updated at: 2026-07-16

Metric	Kimi K3 Kimi K3 max Release: 2026-07-16	GPT-5.5 GPT-5.5 medium Release: 2026-04-24

Metric	Kimi K3 Kimi K3 max Release: 2026-07-16	GPT-5.5 GPT-5.5 medium Release: 2026-04-24
Score	8.5	9.0
Rank	#21	#12
Reliability	9.4	10.0
Consistency	9.2	8.9
Tests Correct
Attempt pass rate	82.5%	87.3%
Flaky tests	2	3
Total Runs	63	63
Cost per result	19.446	21.638
Total Cost	$3.112	$3.679
Input Price	$3.000 / 1M	$5.000 / 1M
Output Price	$15.000 / 1M	$30.000 / 1M
Total Input Tokens	34,916	34,212
Output Tokens	2,910	1,985
Reasoning Tokens	197,529	114,925
Response Time (avg)	122.48s	37.98s
Response Time (max)	766.58s	332.10s
Response Time (total)	2327.06s	797.60s

Generation showcase

Hamster playing table tennis

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

#21 MoonshotAI: Kimi K3

max

Cost: $0.281
Time: 506.9s
Tokens: 18,863 tok

#12 GPT-5.5

medium

Cost: $0.112
Time: 71.9s
Tokens: 3,807 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
Kimi K3	10.0	10.0	100.0%	0		10.24s	1,638	496	2,629
GPT-5.5	10.0	10.0	100.0%	0		4.66s	606	250	1,335

Coding	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K3	10.0	10.0	100.0%	0		325.79s	8,061	460	84,012
GPT-5.5	8.8	7.8	88.9%	1		59.77s	7,305	362	24,959

Combined	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K3	10.0	10.0	100.0%	0		223.03s	12,792	399	20,460
GPT-5.5	10.0	10.0	100.0%	0		19.29s	11,019	312	2,841

Data parsing and extraction	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K3	7.3	5.8	83.3%	1		16.72s	7,839	354	2,606
GPT-5.5	10.0	10.0	100.0%	0		4.18s	7,140	234	593

Domain specific	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K3	5.9	7.2	55.6%	1		490.14s	794	80	83,180
GPT-5.5	5.3	7.2	44.4%	1		164.14s	723	67	79,625

General Intelligence	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K3	10.0	10.0	100.0%	0		14.91s	732	191	871
GPT-5.5	10.0	10.0	100.0%	0		4.16s	477	138	223

Instructions following	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K3	10.0	10.0	100.0%	0		7.66s	1,179	147	1,119
GPT-5.5	10.0	10.0	100.0%	0		3.36s	660	93	538

Puzzle Solving	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K3	10.0	10.0	100.0%	0		7.36s	1,416	495	1,368
GPT-5.5	10.0	10.0	100.0%	0		6.76s	642	241	2,225

Tool Calling	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K3	3.0	10.0	0.0%	0		0ms	0	0	0
GPT-5.5	10.0	10.0	100.0%	0		10.57s	5,445	258	832

Trivia	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K3	3.0	10.0	0.0%	0		19.67s	465	288	1,284
GPT-5.5	2.8	1.6	33.3%	1		37.86s	195	30	1,754

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