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Anthropic: Claude Sonnet 4.6 vs Qwen3.6 Plus Preview

Last updated at: 2026-03-30

Metric Claude Sonnet 4.6 Claude Sonnet 4.6 none Release: 2026-02-17 Qwen3.6 Plus Preview Qwen3.6 Plus Preview medium Release: Unknown release date Free Available
Score 7.3 8.5
Rank #35 #6
Consistency 9.6 10.0
Tests Correct
Attempt pass rate 62.8% 76.5%
Flaky tests 1 0
Total Runs 51 49
Cost per result 2.512 0.000
Total Cost $0.252 $0.000
Input Price $3.000 / 1M $0.000 / 1M
Output Price $15.000 / 1M $0.000 / 1M
Output Tokens 6,910 1,756
Reasoning Tokens 0 77,213
Response Time (avg) 5.12s 13.94s
Response Time (max) 23.84s 43.55s
Response Time (total) 51.16s 237.01s

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Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 4.8 10.0 25.0% 0 2.94s 1,214 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 9.90s 207 7,557
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 9.5 10.0 100.0% 0 23.84s 3,766 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 34.95s 452 13,073
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 3.43s 252 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 14.95s 270 10,706
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 7.7 10.0 66.7% 0 3.54s 413 0
Qwen3.6 Plus Preview 3.0 10.0 0.0% 0 22.08s 49 26,895
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 6.1 3.1 66.7% 1 2.56s 192 0
Qwen3.6 Plus Preview 5.1 10.0 0.0% 0 27.05s 111 5,232
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 6.5 10.0 50.0% 0 1.96s 90 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 7.54s 102 5,552
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 7.7 10.0 66.7% 0 2.92s 536 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 6.11s 298 6,868
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 4.11s 447 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 5.87s 267 1,330

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