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Anthropic: Claude Opus 4.6 vs Qwen: Qwen3.5 Plus 2026-02-15

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 Plus 2026-02-15 medium Release: Unknown release date
Rank #20 #4
Score 6.07 8.64
Consistency 8.80 10.00
Cost per result 10.992 1.955
Total Cost $0.880 $0.235
Tests Correct
Wrong Tests 6 2
Attempt pass rate 61.9% 85.7%
Flaky tests 2 0
Output Tokens 19,576 1,258
Reasoning Tokens 11,081 93,374

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 Plus 2026-02-15 10.00 10.00 100.0% 0 186 5,926
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 Plus 2026-02-15 10.00 10.00 100.0% 0 283 14,892
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 Plus 2026-02-15 4.00 10.00 33.3% 0 56 39,882
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 Plus 2026-02-15 9.50 9.99 100.0% 0 102 9,257
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 Plus 2026-02-15 10.00 10.00 100.0% 0 322 22,508
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 Plus 2026-02-15 10.00 10.00 100.0% 0 309 909

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