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Google: Gemini 3 Flash Preview vs MoonshotAI: Kimi K2.5

Last updated at: 2026-04-29

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 Kimi K2.5 Kimi K2.5 none Release: 2026-01-27
Score 10.0 5.5
Rank #1 #99
Reliability N/A N/A
Consistency 10.0 8.7
Tests Correct
Attempt pass rate 100.0% 40.7%
Flaky tests 0 3
Total Runs 18 54
Cost per result 0.600 0.271
Total Cost $0.108 $0.017
Input Price $0.500 / 1M $0.440 / 1M
Output Price $3.000 / 1M $2.000 / 1M
Output Tokens 655 2,659
Reasoning Tokens 33,749 0
Response Time (avg) 12.11s 13.37s
Response Time (max) 82.37s 42.13s
Response Time (total) 217.93s 147.05s

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
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.26s 110 1,076
Kimi K2.5 3.6 8.4 8.3% 1 6.24s 373 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 82.37s 144 16,257
Kimi K2.5 10.0 10.0 100.0% 0 38.78s 649 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 23.58s 117 3,495
Kimi K2.5 2.8 2.1 33.3% 1 19.16s 748 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 7.62s 93 2,197
Kimi K2.5 7.3 5.8 83.3% 1 42.13s 187 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 14.81s 4 7,228
Kimi K2.5 5.3 10.0 33.3% 0 4.38s 29 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 6.34s 24 635
Kimi K2.5 10.0 10.0 100.0% 0 4.00s 76 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.30s 24 903
Kimi K2.5 6.5 10.0 50.0% 0 2.67s 60 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.86s 61 1,455
Kimi K2.5 3.1 10.0 0.0% 0 4.73s 317 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 9.78s 78 503
Kimi K2.5 10.0 10.0 100.0% 0 13.99s 220 0

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