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Qwen: Qwen3.6 Max Preview vs xAI: Grok 4.20

Summary

Qwen3.6 Max Preview vs Grok 4.20 benchmark comparison: Grok 4.20 leads on average score with 7.1 vs 6.9. Qwen3.6 Max Preview has the lower benchmark cost at $0.075 vs $0.609. Qwen3.6 Max Preview is faster at 3.30s vs 27.68s, with pass rates of 58.7% vs 63.5%.

Recommended model: Qwen3.6 Max Preview - Its score stays close to the best score here (6.9 vs 7.1), while costing about 8.2x less than Grok 4.20.

Last updated at: 2026-06-10

Metric Qwen3.6 Max Preview Qwen3.6 Max Preview none Release: 2026-04-20 Grok 4.20 Grok 4.20 medium Release: 2026-03-31
Score 6.9 7.1
Rank #75 #66
Reliability 10.0 10.0
Consistency 9.2 8.8
Tests Correct
Attempt pass rate 58.7% 63.5%
Flaky tests 2 3
Total Runs 63 63
Cost per result 0.824 8.309
Total Cost $0.075 $0.609
Input Price $1.040 / 1M $1.250 / 1M
Output Price $6.240 / 1M $2.500 / 1M
Total Input Tokens 42,509 44,433
Output Tokens 4,779 1,819
Reasoning Tokens 0 219,524
Response Time (avg) 3.30s 27.68s
Response Time (max) 20.51s 199.66s
Response Time (total) 69.40s 581.26s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#75 Qwen3.6 Max Preview

none
Cost
$0.025
Time
83.9s
Tokens
4,066 tok

#66 xAI: Grok 4.20

medium
Cost
$0.041
Time
110.3s
Tokens
16,336 tok

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) Input Tokens Output Tokens Reasoning Tokens
Qwen3.6 Max Preview 5.2 7.9 41.7% 1 2.63s 696 513 0
Grok 4.20 8.2 7.9 83.3% 1 3.95s 2,010 287 8,312
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.6 Max Preview 3.8 7.3 22.2% 1 3.12s 7,913 456 0
Grok 4.20 6.3 6.6 55.6% 1 109.93s 8,307 268 103,150
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.6 Max Preview 3.0 10.0 0.0% 0 20.51s 14,949 2,842 0
Grok 4.20 10.0 10.0 100.0% 0 17.40s 12,909 232 9,556
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.6 Max Preview 10.0 10.0 100.0% 0 2.87s 7,794 243 0
Grok 4.20 10.0 10.0 100.0% 0 4.17s 7,761 180 5,333
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.6 Max Preview 7.7 10.0 66.7% 0 1.22s 789 18 0
Grok 4.20 5.3 10.0 33.3% 0 27.03s 1,764 375 49,339
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.6 Max Preview 4.3 10.0 0.0% 0 1.62s 522 76 0
Grok 4.20 3.9 2.6 33.3% 1 24.48s 825 65 6,440
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.6 Max Preview 9.8 10.0 100.0% 0 1.40s 711 69 0
Grok 4.20 9.8 10.0 100.0% 0 4.26s 1,362 57 6,419
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.6 Max Preview 10.0 10.0 100.0% 0 2.65s 714 321 0
Grok 4.20 7.7 10.0 66.7% 0 6.22s 1,689 149 7,913
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.6 Max Preview 10.0 10.0 100.0% 0 5.27s 8,211 222 0
Grok 4.20 3.0 10.0 0.0% 0 13.68s 7,275 197 6,620
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.6 Max Preview 3.0 10.0 0.0% 0 1.97s 210 19 0
Grok 4.20 3.0 10.0 0.0% 0 63.48s 531 9 16,442

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