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MiniMax: MiniMax M2.5 vs xAI: Grok 4.20

Last updated at: 2026-05-10

Metric MiniMax M2.5 MiniMax M2.5 medium Release: 2026-02-12 Free Available Grok 4.20 Grok 4.20 none Release: 2026-03-31
Score 5.5 5.4
Rank #108 #115
Reliability 6.7 N/A
Consistency 5.9 9.5
Tests Correct
Attempt pass rate 52.6% 35.2%
Flaky tests 10 1
Total Runs 57 54
Cost per result 5.443 1.574
Total Cost $0.273 $0.095
Input Price $0.150 / 1M $1.250 / 1M
Output Price $1.150 / 1M $2.500 / 1M
Output Tokens 108,324 1,967
Reasoning Tokens 224,957 0
Response Time (avg) 43.39s 1.11s
Response Time (max) 237.27s 6.04s
Response Time (total) 477.26s 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
MiniMax M2.5 7.9 6.3 83.3% 2 20.82s 286 45,344
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
MiniMax M2.5 3.0 10.0 0.0% 0 0ms 0 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
MiniMax M2.5 4.5 2.1 66.7% 1 60.39s 740 9,713
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
MiniMax M2.5 4.6 1.7 66.7% 2 7.48s 266 3,835
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
MiniMax M2.5 2.9 4.4 22.2% 2 237.27s 105,047 133,487
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
MiniMax M2.5 3.8 2.5 33.3% 1 6.63s 25 1,686
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
MiniMax M2.5 7.5 6.7 66.7% 1 4.64s 252 1,873
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
MiniMax M2.5 5.3 7.2 44.4% 1 11.54s 159 9,547
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
MiniMax M2.5 10.0 10.0 100.0% 0 15.35s 269 937
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
MiniMax M2.5 3.0 10.0 0.0% 0 80.79s 1,280 18,535
Grok 4.20 - - - - - - - -

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