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Anthropic: Claude Opus 4.6 vs Qwen: Qwen3.5-Flash

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Last updated at : 2026-02-27 15:16

Summary

Metric Anthropic: Claude Opus 4.6 medium Release: Unknown release date Qwen: Qwen3.5-Flash medium Release: Unknown release date
Rank #20 #24
Score 6.07 5.79
Consistency 8.80 7.60
Cost per result 10.992 0.650
Total Cost $0.880 $0.046
Tests Correct
Wrong Tests 6 7
Attempt pass rate 61.9% 66.7%
Flaky tests 2 4
Output Tokens 19,576 1,194
Reasoning Tokens 11,081 108,368

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 4.00 4.41 55.6% 2 897 1,000
Qwen: Qwen3.5-Flash 10.00 10.00 100.0% 0 363 23,645
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 10.00 10.00 100.0% 0 668 763
Qwen: Qwen3.5-Flash 5.50 5.87 83.3% 1 235 16,237
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 1.00 10.00 0.0% 0 16,328 7,928
Qwen: Qwen3.5-Flash 1.00 4.41 33.3% 2 52 34,605
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 9.50 9.99 100.0% 0 266 468
Qwen: Qwen3.5-Flash 7.50 9.91 50.0% 0 98 14,139
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 7.00 10.00 66.7% 0 556 593
Qwen: Qwen3.5-Flash 4.00 7.21 55.6% 1 137 18,458
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 10.00 10.00 100.0% 0 861 329
Qwen: Qwen3.5-Flash 10.00 10.00 100.0% 0 309 1,284

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