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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 none Release: Unknown release date
Rank #32 #38
Score 4.07 3.00
Consistency 8.92 8.69
Cost per result 0.232 0.176
Total Cost $0.010 $0.006
Tests Correct
Wrong Tests 10 11
Attempt pass rate 35.7% 28.6%
Flaky tests 2 2
Output Tokens 1,915 931
Reasoning Tokens 0 0

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 1.33 10.00 0.0% 0 229 0
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 0
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 15 0
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 1.00 10.00 0.0% 0 66 0
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 1.00 9.48 0.0% 0 233 0
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% 1 208 0

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