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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 medium Release: Unknown release date xAI: Grok 4.1 Fast none Release: Unknown release date
Rank #17 #38
Score 6.29 3.00
Consistency 7.69 8.69
Cost per result 2.335 0.176
Total Cost $0.187 $0.006
Tests Correct
Wrong Tests 6 11
Attempt pass rate 73.8% 28.6%
Flaky tests 4 2
Output Tokens 30,504 931
Reasoning Tokens 58,467 0

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 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 10.00 10.00 100.0% 0 1,181 6,049
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 1.00 4.41 33.3% 2 20,696 30,894
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 9.50 10.00 100.0% 0 3,777 4,967
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 5.00 7.61 55.6% 1 4,273 9,490
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% 0 242 812
xAI: Grok 4.1 Fast 1.00 1.62 33.3% 1 208 0

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