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MoonshotAI: Kimi K2.5 vs OpenAI: GPT-4o-mini

Last updated at: 2026-05-19

Metric Kimi K2.5 Kimi K2.5 none Release: 2026-01-27 GPT-4o-mini GPT-4o-mini none Release: 2024-07-18
Score 5.4 4.9
Rank #119 #134
Reliability 10.0 10.0
Consistency 8.8 9.9
Tests Correct
Attempt pass rate 38.6% 26.3%
Flaky tests 3 0
Total Runs 57 57
Cost per result 0.273 0.099
Total Cost $0.017 $0.005
Input Price $0.400 / 1M $0.150 / 1M
Output Price $1.900 / 1M $0.600 / 1M
Output Tokens 2,679 1,962
Reasoning Tokens 0 0
Response Time (avg) 12.58s 1.90s
Response Time (max) 42.13s 7.58s
Response Time (total) 150.95s 22.79s

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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 3.6 8.4 8.3% 1 6.24s 373 0
GPT-4o-mini 4.8 10.0 25.0% 0 1.34s 186 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 10.0 10.0 100.0% 0 38.78s 649 0
GPT-4o-mini 3.0 8.7 0.0% 0 2.55s 347 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 2.8 2.1 33.3% 1 19.16s 748 0
GPT-4o-mini 3.0 10.0 0.0% 0 7.58s 568 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 7.3 5.8 83.3% 1 42.13s 187 0
GPT-4o-mini 10.0 10.0 100.0% 0 1.27s 183 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 5.3 10.0 33.3% 0 4.38s 29 0
GPT-4o-mini 3.0 10.0 0.0% 0 637ms 15 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 10.0 10.0 100.0% 0 4.00s 76 0
GPT-4o-mini 4.0 10.0 0.0% 0 909ms 66 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 6.5 10.0 50.0% 0 2.67s 60 0
GPT-4o-mini 6.3 10.0 50.0% 0 1.27s 69 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 3.0 10.0 0.0% 0 4.73s 317 0
GPT-4o-mini 3.5 10.0 0.0% 0 1.30s 308 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 10.0 10.0 100.0% 0 13.99s 220 0
GPT-4o-mini 10.0 10.0 100.0% 0 2.51s 205 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 3.0 10.0 0.0% 0 3.90s 20 0
GPT-4o-mini 3.0 10.0 0.0% 0 794ms 15 0

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