Navigate
AI BENCHY
Your ad here

AI BENCHY Compare

MoonshotAI: Kimi K2.6 vs xAI: Grok 4.20

Last updated at: 2026-04-20

Metric Kimi K2.6 Kimi K2.6 none Release: 2026-04-20 Grok 4.20 Grok 4.20 medium Release: 2026-03-31
Score 5.8 7.0
Rank #69 #47
Consistency 9.1 7.8
Tests Correct
Attempt pass rate 42.6% 66.7%
Flaky tests 2 5
Total Runs 54 54
Cost per result 0.543 8.252
Total Cost $0.038 $0.743
Input Price $0.950 / 1M $2.000 / 1M
Output Price $4.000 / 1M $6.000 / 1M
Output Tokens 2,973 1,744
Reasoning Tokens 0 109,882
Response Time (avg) 2.05s 10.33s
Response Time (max) 6.65s 29.87s
Response Time (total) 36.93s 185.87s

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 K2.6 4.6 10.0 25.0% 0 1.39s 471 0
Grok 4.20 8.2 7.9 83.3% 1 3.36s 280 8,476
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 10.0 10.0 100.0% 0 6.65s 1,176 0
Grok 4.20 4.3 1.1 66.7% 1 24.33s 250 12,804
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 3.0 10.0 0.0% 0 3.38s 290 0
Grok 4.20 10.0 10.0 100.0% 0 17.40s 232 9,556
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 10.0 10.0 100.0% 0 1.32s 201 0
Grok 4.20 10.0 10.0 100.0% 0 4.17s 180 5,333
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 5.3 7.2 44.4% 1 1.48s 42 0
Grok 4.20 5.3 10.0 33.3% 0 27.03s 375 49,339
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 5.4 3.5 33.3% 1 1.55s 138 0
Grok 4.20 5.8 2.8 66.7% 1 7.09s 47 4,252
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 6.5 10.0 50.0% 0 1.64s 72 0
Grok 4.20 7.3 5.9 83.3% 1 4.42s 40 5,474
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 3.4 9.7 0.0% 0 1.66s 343 0
Grok 4.20 6.4 7.7 55.6% 1 3.89s 143 8,028
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Kimi K2.6 10.0 10.0 100.0% 0 4.46s 240 0
Grok 4.20 3.0 10.0 0.0% 0 13.68s 197 6,620

Quick Compare

Switch Comparison Pair

Kimi K2.6nonevsgpt-oss-120bmediumFree AvailableGemma 4 31BnoneFree AvailablevsGrok 4.20mediumMiniMax M2.5mediumFree AvailablevsKimi K2.6noneMistral Small 4mediumvsKimi K2.6noneQwen3.5 Plus 2026-02-15nonevsGrok 4.20mediumGrok 4.20mediumvsGLM 5noneKimi K2.6nonevsGPT-5 NanomediumClaude Sonnet 4.6nonevsGrok 4.20mediumGrok 4.20mediumvsMiMo-V2-OmninoneMiniMax M2.7mediumvsKimi K2.6noneKimi K2.6nonevsElephantmediumMercury 2mediumvsKimi K2.6none