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Anthropic: Claude Sonnet 4.6 vs OpenAI: gpt-oss-120b

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

Summary

Metric Anthropic: Claude Sonnet 4.6 medium Release: Unknown release date OpenAI: gpt-oss-120b medium Release: Unknown release date Free Available
Rank #8 #25
Score 7.43 5.64
Consistency 9.40 7.55
Cost per result 8.105 0.101
Total Cost $0.811 $0.008
Tests Correct
Wrong Tests 4 7
Attempt pass rate 73.8% 59.5%
Flaky tests 1 4
Output Tokens 29,098 11,407
Reasoning Tokens 20,435 26,106

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 7.00 10.00 66.7% 0 1,031 1,093
OpenAI: gpt-oss-120b 7.00 9.81 66.7% 0 3,463 2,077
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 10.00 10.00 100.0% 0 727 907
OpenAI: gpt-oss-120b 5.50 5.87 66.7% 1 241 1,114
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 1.00 7.21 11.1% 1 25,790 16,919
OpenAI: gpt-oss-120b 1.00 4.41 22.2% 2 6,018 18,520
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 10.00 10.00 100.0% 0 316 523
OpenAI: gpt-oss-120b 10.00 10.00 100.0% 0 120 1,770
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 10.00 10.00 100.0% 0 579 642
OpenAI: gpt-oss-120b 5.00 7.13 44.4% 1 1,278 1,542
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Anthropic: Claude Sonnet 4.6 10.00 10.00 100.0% 0 655 351
OpenAI: gpt-oss-120b 9.00 9.97 100.0% 0 287 1,083

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