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Anthropic: Claude Opus 4.6 vs Anthropic: Claude Sonnet 4.6

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

Summary

Metric Anthropic: Claude Opus 4.6 medium Release: Unknown release date Anthropic: Claude Sonnet 4.6 medium Release: Unknown release date
Rank #20 #8
Score 6.07 7.43
Consistency 8.80 9.40
Cost per result 10.992 8.105
Total Cost $0.880 $0.811
Tests Correct
Wrong Tests 6 4
Attempt pass rate 61.9% 73.8%
Flaky tests 2 1
Output Tokens 19,576 29,098
Reasoning Tokens 11,081 20,435

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
Anthropic: Claude Sonnet 4.6 7.00 10.00 66.7% 0 1,031 1,093
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
Anthropic: Claude Sonnet 4.6 10.00 10.00 100.0% 0 727 907
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
Anthropic: Claude Sonnet 4.6 1.00 7.21 11.1% 1 25,790 16,919
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
Anthropic: Claude Sonnet 4.6 10.00 10.00 100.0% 0 316 523
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
Anthropic: Claude Sonnet 4.6 10.00 10.00 100.0% 0 579 642
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
Anthropic: Claude Sonnet 4.6 10.00 10.00 100.0% 0 655 351

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