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Anthropic: Claude Sonnet 4.6 vs MoonshotAI: Kimi K2.6

Last updated at: 2026-05-22

Metric Claude Sonnet 4.6 Claude Sonnet 4.6 medium Release: 2026-02-17 Kimi K2.6 Kimi K2.6 medium Release: 2026-04-20
Score 7.6 7.4
Rank #46 #54
Reliability 10.0 8.3
Consistency 9.2 8.3
Tests Correct
Attempt pass rate 68.3% 70.8%
Flaky tests 2 4
Total Runs 60 60
Cost per result 10.227 7.630
Total Cost $1.330 $0.916
Input Price $3.000 / 1M $0.730 / 1M
Output Price $15.000 / 1M $3.490 / 1M
Output Tokens 49,888 102,488
Reasoning Tokens 29,554 229,389
Response Time (avg) 15.72s 54.11s
Response Time (max) 46.35s 215.85s
Response Time (total) 188.69s 1028.14s

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
Claude Sonnet 4.6 6.5 10.0 50.0% 0 2.98s 1,046 1,093
Kimi K2.6 7.0 8.0 66.7% 1 11.59s 7,115 8,934
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 6.9 6.0 66.7% 1 33.87s 11,277 3,281
Kimi K2.6 6.5 5.3 75.0% 1 118.23s 9,255 52,215
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 46.35s 5,871 3,962
Kimi K2.6 10.0 10.0 100.0% 0 40.96s 711 13,876
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 13.90s 649 742
Kimi K2.6 10.0 10.0 100.0% 0 20.38s 316 11,305
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 2.9 7.2 11.1% 1 0ms 25,790 16,919
Kimi K2.6 5.3 7.2 44.4% 1 202.38s 47,035 98,262
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 4.94s 256 433
Kimi K2.6 10.0 10.0 100.0% 0 17.83s 3,981 4,472
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 2.61s 318 552
Kimi K2.6 10.0 10.0 100.0% 0 12.53s 3,977 5,269
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 4.80s 589 635
Kimi K2.6 6.0 7.4 55.6% 1 25.59s 14,140 17,868
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 7.48s 655 351
Kimi K2.6 10.0 10.0 100.0% 0 8.92s 248 1,011
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 3.0 10.0 0.0% 0 30.09s 3,437 1,586
Kimi K2.6 3.0 10.0 0.0% 0 130.27s 15,710 16,177

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