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

Model Name:

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

Summary

Metric MoonshotAI: Kimi K2.5 none Release: Unknown release date xAI: Grok 4.1 Fast medium Release: Unknown release date
Rank #32 #16
Score 4.07 6.29
Consistency 8.92 8.20
Cost per result 0.232 0.532
Total Cost $0.010 $0.043
Tests Correct
Wrong Tests 10 6
Attempt pass rate 35.7% 66.7%
Flaky tests 2 3
Output Tokens 1,915 793
Reasoning Tokens 0 74,056

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
MoonshotAI: Kimi K2.5 2.67 7.86 11.1% 1 363 0
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 5.50 5.81 83.3% 1 995 0
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 4.00 10.00 33.3% 0 29 0
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 5.00 9.99 50.0% 0 61 0
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 2.00 9.92 0.0% 0 247 0
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% 0 220 0
xAI: Grok 4.1 Fast 1.00 1.62 33.3% 1 260 11,485

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