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Anthropic: Claude Opus 4.6 vs OpenAI: GPT-5.2

Last updated at: 2026-04-30

Metric Claude Opus 4.6 Claude Opus 4.6 medium Release: 2026-02-05 GPT-5.2 GPT-5.2 medium Release: 2025-12-11
Score 7.6 7.5
Rank #49 #53
Reliability N/A N/A
Consistency 9.1 8.1
Tests Correct
Attempt pass rate 70.4% 72.2%
Flaky tests 2 4
Total Runs 54 54
Cost per result 12.047 3.193
Total Cost $1.446 $0.352
Input Price $5.000 / 1M $1.750 / 1M
Output Price $25.000 / 1M $14.000 / 1M
Output Tokens 29,829 2,705
Reasoning Tokens 18,938 18,977
Response Time (avg) 21.08s 14.04s
Response Time (max) 83.40s 77.80s
Response Time (total) 231.84s 154.41s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 6.4 5.8 66.7% 2 7.45s 986 1,071
GPT-5.2 6.5 8.0 58.3% 1 7.81s 567 2,002
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 23.11s 3,486 1,504
GPT-5.2 10.0 10.0 100.0% 0 15.12s 467 2,166
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 76.66s 8,178 5,194
GPT-5.2 10.0 10.0 100.0% 0 14.06s 291 1,757
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 7.37s 691 757
GPT-5.2 10.0 10.0 100.0% 0 3.15s 234 420
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 3.0 10.0 0.0% 0 83.40s 14,642 8,687
GPT-5.2 5.9 7.2 55.6% 1 77.80s 42 10,342
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 5.04s 188 292
GPT-5.2 3.7 9.7 0.0% 0 4.32s 162 269
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 2.43s 266 467
GPT-5.2 9.9 10.0 100.0% 0 3.12s 94 614
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 7.7 10.0 66.7% 0 4.60s 531 637
GPT-5.2 7.7 7.3 77.8% 1 5.47s 609 938
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 9.73s 861 329
GPT-5.2 4.7 1.6 66.7% 1 10.30s 239 469

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