Navigate
AI BENCHY
AD
Track all your projects in one dashboard. Get 📊stats, 🔥heatmaps and 👀recordings in one self-hosted dashboard.
uxwizz.com

AI BENCHY Compare

MoonshotAI: Kimi K2.5 vs xAI: Grok 4.20

Last updated at: 2026-05-22

Metric Kimi K2.5 Kimi K2.5 none Release: 2026-01-27 Grok 4.20 Grok 4.20 none Release: 2026-03-31
Score 5.3 5.4
Rank #126 #120
Reliability 10.0 N/A
Consistency 8.9 9.5
Tests Correct
Attempt pass rate 36.7% 35.2%
Flaky tests 3 1
Total Runs 60 54
Cost per result 0.428 1.574
Total Cost $0.026 $0.095
Input Price $0.400 / 1M $1.250 / 1M
Output Price $1.900 / 1M $2.500 / 1M
Output Tokens 6,734 1,967
Reasoning Tokens 0 0
Response Time (avg) 14.16s 1.11s
Response Time (max) 42.13s 6.04s
Response Time (total) 184.10s 20.02s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 3.6 8.4 8.3% 1 6.24s 373 0
Grok 4.20 4.8 10.0 25.0% 0 501ms 267 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 6.8 10.0 50.0% 0 35.97s 4,704 0
Grok 4.20 3.4 9.3 0.0% 0 1.22s 312 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 2.8 2.1 33.3% 1 19.16s 748 0
Grok 4.20 3.0 10.0 0.0% 0 6.04s 282 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 7.3 5.8 83.3% 1 42.13s 187 0
Grok 4.20 10.0 10.0 100.0% 0 522ms 207 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 5.3 10.0 33.3% 0 4.38s 29 0
Grok 4.20 3.0 10.0 0.0% 0 687ms 325 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 10.0 10.0 100.0% 0 4.00s 76 0
Grok 4.20 4.8 10.0 0.0% 0 659ms 83 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 6.5 10.0 50.0% 0 2.67s 60 0
Grok 4.20 6.3 10.0 50.0% 0 455ms 60 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 3.0 10.0 0.0% 0 4.73s 317 0
Grok 4.20 5.3 7.2 44.4% 1 487ms 242 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 10.0 10.0 100.0% 0 13.99s 220 0
Grok 4.20 10.0 10.0 100.0% 0 4.63s 189 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.5 3.0 10.0 0.0% 0 3.90s 20 0
Grok 4.20 - - - - - - - -

Quick Compare

Switch Comparison Pair