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Anthropic: Claude Opus 4.6 vs Qwen: Qwen3.5-27B

Model Name:

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

Summary

Metric Anthropic: Claude Opus 4.6 medium Release: Unknown release date Qwen: Qwen3.5-27B medium Release: Unknown release date
Rank #20 #5
Score 6.07 8.55
Consistency 8.80 9.55
Cost per result 10.992 2.950
Total Cost $0.880 $0.325
Tests Correct
Wrong Tests 6 3
Attempt pass rate 61.9% 83.3%
Flaky tests 2 1
Output Tokens 19,576 1,091
Reasoning Tokens 11,081 131,807

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: Qwen3.5-27B 10.00 10.00 100.0% 0 102 8,956
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: Qwen3.5-27B 9.88 10.00 100.0% 0 270 16,150
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: Qwen3.5-27B 4.00 10.00 33.3% 0 43 52,368
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: Qwen3.5-27B 9.00 6.88 83.3% 1 97 11,638
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: Qwen3.5-27B 10.00 10.00 100.0% 0 231 41,372
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: Qwen3.5-27B 10.00 10.00 100.0% 0 348 1,323

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