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MoonshotAI: Kimi K2.5 vs xAI: Grok 4.1 Fast

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

Summary

Metric MoonshotAI: Kimi K2.5 medium Release: Unknown release date xAI: Grok 4.1 Fast medium Release: Unknown release date
Rank #17 #16
Score 6.29 6.29
Consistency 7.69 8.20
Cost per result 2.335 0.532
Total Cost $0.187 $0.043
Tests Correct
Wrong Tests 6 6
Attempt pass rate 73.8% 66.7%
Flaky tests 4 3
Output Tokens 30,504 793
Reasoning Tokens 58,467 74,056

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
MoonshotAI: Kimi K2.5 7.00 7.21 88.9% 1 335 6,255
xAI: Grok 4.1 Fast 10.00 10.00 100.0% 0 102 4,021
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
MoonshotAI: Kimi K2.5 10.00 10.00 100.0% 0 1,181 6,049
xAI: Grok 4.1 Fast 10.00 10.00 100.0% 0 180 5,472
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
MoonshotAI: Kimi K2.5 1.00 4.41 33.3% 2 20,696 30,894
xAI: Grok 4.1 Fast 4.00 7.21 55.6% 1 12 40,547
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
MoonshotAI: Kimi K2.5 9.50 10.00 100.0% 0 3,777 4,967
xAI: Grok 4.1 Fast 5.50 10.00 50.0% 0 48 3,151
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
MoonshotAI: Kimi K2.5 5.00 7.61 55.6% 1 4,273 9,490
xAI: Grok 4.1 Fast 4.67 7.20 44.4% 1 191 9,380
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
MoonshotAI: Kimi K2.5 10.00 10.00 100.0% 0 242 812
xAI: Grok 4.1 Fast 1.00 1.62 33.3% 1 260 11,485

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