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MoonshotAI: Kimi K2.5 vs Qwen: Qwen3.5-Flash

Last updated at: 2026-06-01

Metric Kimi K2.5 Kimi K2.5 medium Release: 2026-01-27 Qwen3.5-Flash Qwen3.5-Flash none Release: 2026-02-24
Score 6.7 5.9
Rank #85 #104
Reliability 10.0 10.0
Consistency 6.8 9.7
Tests Correct
Attempt pass rate 66.7% 41.7%
Flaky tests 8 1
Total Runs 60 60
Cost per result 3.486 0.073
Total Cost $0.272 $0.004
Input Price $0.400 / 1M $0.065 / 1M
Output Price $1.900 / 1M $0.260 / 1M
Output Tokens 48,374 4,270
Reasoning Tokens 128,473 0
Response Time (avg) 89.02s 3.74s
Response Time (max) 281.00s 27.18s
Response Time (total) 1157.32s 74.71s

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 7.3 5.8 83.3% 2 51.38s 2,789 8,880
Qwen3.5-Flash 3.5 8.3 8.3% 1 1.32s 690 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 4.1 1.9 50.0% 2 215.89s 5,700 45,419
Qwen3.5-Flash 6.8 10.0 50.0% 0 993ms 513 0
Combined 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 71.37s 703 3,713
Qwen3.5-Flash 3.0 10.0 0.0% 0 6.22s 1,794 0
Data parsing and extraction 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 49.78s 563 7,940
Qwen3.5-Flash 10.0 10.0 100.0% 0 1.57s 243 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 3.5 4.4 33.3% 2 137.29s 20,753 30,564
Qwen3.5-Flash 7.7 10.0 66.7% 0 905ms 15 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 6.5 3.4 66.7% 1 69.73s 3,815 4,262
Qwen3.5-Flash 10.0 10.0 100.0% 0 803ms 100 0
Instructions following 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 92.47s 5,371 6,547
Qwen3.5-Flash 6.3 10.0 50.0% 0 8.81s 63 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 5.3 7.3 44.4% 1 43.23s 8,426 12,692
Qwen3.5-Flash 3.1 10.0 0.0% 0 10.89s 579 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 31.74s 242 812
Qwen3.5-Flash 10.0 10.0 100.0% 0 3.67s 264 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 83.95s 12 7,644
Qwen3.5-Flash 3.0 10.0 0.0% 0 588ms 9 0

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