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Anthropic: Claude Opus 4.6 vs MoonshotAI: Kimi K2.5

Model Name:

Last updated at : 2026-02-27 15:16

Summary

Metric Anthropic: Claude Opus 4.6 medium Release: Unknown release date MoonshotAI: Kimi K2.5 medium Release: Unknown release date
Rank #20 #17
Score 6.07 6.29
Consistency 8.80 7.69
Cost per result 10.992 2.335
Total Cost $0.880 $0.187
Tests Correct
Wrong Tests 6 6
Attempt pass rate 61.9% 73.8%
Flaky tests 2 4
Output Tokens 19,576 30,504
Reasoning Tokens 11,081 58,467

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 4.00 4.41 55.6% 2 897 1,000
MoonshotAI: Kimi K2.5 7.00 7.21 88.9% 1 335 6,255
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 10.00 10.00 100.0% 0 668 763
MoonshotAI: Kimi K2.5 10.00 10.00 100.0% 0 1,181 6,049
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 1.00 10.00 0.0% 0 16,328 7,928
MoonshotAI: Kimi K2.5 1.00 4.41 33.3% 2 20,696 30,894
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 9.50 9.99 100.0% 0 266 468
MoonshotAI: Kimi K2.5 9.50 10.00 100.0% 0 3,777 4,967
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 7.00 10.00 66.7% 0 556 593
MoonshotAI: Kimi K2.5 5.00 7.61 55.6% 1 4,273 9,490
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 10.00 10.00 100.0% 0 861 329
MoonshotAI: Kimi K2.5 10.00 10.00 100.0% 0 242 812

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