Kimi K2.5 (medium) vs GPT-5.5

Rank: #139
Total Output Tokens: 220,942
Response Time (avg): 98.19s
Total Cost: $0.479

Rank: #135
Total Output Tokens: 4,915
Response Time (avg): 2.35s
Total Cost: $0.544

Recommended model GPT-5.5

It has the best score here (7.0), while responding about 41.7x faster than Kimi K2.5 (medium).

Detailed comparison

Metric	Kimi K2.5 Kimi K2.5 medium Release: 2026-01-27	GPT-5.5 GPT-5.5 none Release: 2026-04-24

Metric	Kimi K2.5 Kimi K2.5 medium Release: 2026-01-27	GPT-5.5 GPT-5.5 none Release: 2026-04-24
Score	7.0	7.0
Rank	#139	#135
Reliability	10.0	10.0
Consistency	7.0	9.2
Attempts	66/66	66/66
Tests Correct
Attempt pass rate	63.6%	59.1%
Flaky tests	8	2
Total Runs	66	66
Cost per result	4.849	4.533
Total Cost	$0.479	$0.544
Input Price	$0.450 / 1M	$5.000 / 1M
Output Price	$2.250 / 1M	$30.000 / 1M
Total Input Tokens	118,496	79,294
Output Tokens	53,522	4,915
Reasoning Tokens	167,420	0
Response Time (avg)	98.19s	2.35s
Response Time (max)	281.00s	12.24s
Response Time (total)	1571.05s	51.78s
Parameters	1T total (32B active)	~1.5T total (~100B active)
Availability	Weights available	Closed

Model generation showcase

Hamster playing table tennis

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

#139 MoonshotAI: Kimi K2.5

medium

Cost: $0.030
Time: 58.6s
Tokens: 8,683 tok

#135 GPT-5.5

none

Cost: $0.090
Time: 54.3s
Tokens: 3,063 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 K2.5	7.3	5.8	83.3%	2		51.38s	634	2,789	8,880
GPT-5.5	6.9	7.9	66.7%	1		1.31s	606	213	0

Coding	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K2.5	6.1	4.6	66.7%	2		217.49s	6,935	5,705	74,693
GPT-5.5	5.5	10.0	33.3%	0		1.35s	7,305	462	0

Combined	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K2.5	6.7	9.1	50.0%	0		89.19s	95,416	14,448	11,209
GPT-5.5	6.5	10.0	50.0%	0		8.90s	56,092	3,244	0

Data parsing and extraction	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K2.5	10.0	10.0	100.0%	0		49.78s	7,020	563	7,940
GPT-5.5	10.0	10.0	100.0%	0		1.18s	7,140	222	0

Domain specific	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K2.5	2.9	4.4	22.2%	2		111.65s	533	12,151	32,741
GPT-5.5	5.3	10.0	33.3%	0		1.27s	732	52	0

General Intelligence	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K2.5	6.5	3.4	66.7%	1		69.73s	480	3,815	4,262
GPT-5.5	10.0	10.0	100.0%	0		3.41s	477	124	0

Instructions following	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K2.5	10.0	10.0	100.0%	0		92.47s	675	5,371	6,547
GPT-5.5	6.2	5.8	66.7%	1		1.15s	660	81	0

Puzzle Solving	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K2.5	5.3	7.3	44.4%	1		43.23s	659	8,426	12,692
GPT-5.5	7.7	10.0	66.7%	0		1.29s	642	252	0

Tool Calling	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K2.5	10.0	10.0	100.0%	0		31.74s	5,933	242	812
GPT-5.5	10.0	10.0	100.0%	0		3.90s	5,445	247	0

Trivia	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
Kimi K2.5	3.0	10.0	0.0%	0		83.95s	211	12	7,644
GPT-5.5	3.0	10.0	0.0%	0		5.01s	195	18	0

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