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Anthropic: Claude Opus 4.6 vs OpenAI: GPT-5.2

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

Summary

Metric Anthropic: Claude Opus 4.6 medium Release: Unknown release date OpenAI: GPT-5.2 medium Release: Unknown release date
Rank #20 #12
Score 6.07 6.93
Consistency 8.80 8.22
Cost per result 10.992 2.780
Total Cost $0.880 $0.251
Tests Correct
Wrong Tests 6 5
Attempt pass rate 61.9% 76.2%
Flaky tests 2 3
Output Tokens 19,576 1,869
Reasoning Tokens 11,081 14,190

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
OpenAI: GPT-5.2 7.00 7.28 77.8% 1 549 2,002
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
OpenAI: GPT-5.2 10.00 10.00 100.0% 0 234 499
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
OpenAI: GPT-5.2 4.00 7.21 55.6% 1 42 9,690
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
OpenAI: GPT-5.2 9.50 10.00 100.0% 0 95 587
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
OpenAI: GPT-5.2 8.00 10.00 66.7% 0 710 943
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
OpenAI: GPT-5.2 1.00 1.62 66.7% 1 239 469

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