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MoonshotAI: Kimi K2.6 vs OpenAI: GPT-5 Mini

Last updated at: 2026-06-01

Metric Kimi K2.6 Kimi K2.6 medium Release: 2026-04-20 Free Available GPT-5 Mini GPT-5 Mini medium Release: 2025-08-07
Score 7.4 7.2
Rank #60 #73
Reliability 10.0 10.0
Consistency 8.3 9.1
Tests Correct
Attempt pass rate 70.0% 61.7%
Flaky tests 4 2
Total Runs 60 60
Cost per result 7.621 1.348
Total Cost $0.803 $0.149
Input Price $0.684 / 1M $0.250 / 1M
Output Price $3.420 / 1M $2.000 / 1M
Output Tokens 102,208 6,723
Reasoning Tokens 229,120 63,082
Response Time (avg) 54.03s 23.75s
Response Time (max) 215.85s 88.15s
Response Time (total) 1026.57s 475.03s

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 K2.6 7.0 8.0 66.7% 1 11.59s 7,115 8,934
GPT-5 Mini 7.1 7.6 66.7% 1 13.86s 1,715 6,378
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 6.3 5.3 66.7% 1 118.23s 9,255 52,215
GPT-5 Mini 10.0 10.0 100.0% 0 30.74s 580 12,544
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 10.0 10.0 100.0% 0 40.96s 711 13,876
GPT-5 Mini 10.0 10.0 100.0% 0 88.15s 754 11,520
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 10.0 10.0 100.0% 0 20.38s 316 11,305
GPT-5 Mini 10.0 10.0 100.0% 0 12.58s 453 3,200
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 5.3 7.2 44.4% 1 202.38s 47,035 98,262
GPT-5 Mini 3.6 7.2 22.2% 1 44.63s 293 14,016
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 10.0 10.0 100.0% 0 17.83s 3,981 4,472
GPT-5 Mini 4.5 10.0 0.0% 0 13.50s 349 1,856
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 10.0 10.0 100.0% 0 12.53s 3,977 5,269
GPT-5 Mini 10.0 10.0 100.0% 0 11.59s 310 3,968
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 6.0 7.4 55.6% 1 25.06s 13,860 17,599
GPT-5 Mini 5.6 9.8 33.3% 0 15.20s 1,622 6,144
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 10.0 10.0 100.0% 0 8.92s 248 1,011
GPT-5 Mini 10.0 10.0 100.0% 0 18.64s 487 1,600
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 3.0 10.0 0.0% 0 130.27s 15,710 16,177
GPT-5 Mini 3.0 10.0 0.0% 0 9.99s 160 1,856

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