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Anthropic: Claude Opus 4.6 vs OpenAI: GPT-5.2 Chat

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Last updated at: 2026-03-05

Metric Anthropic: Claude Opus 4.6 medium Release: 2026-02-05 OpenAI: GPT-5.2 Chat none Release: 2025-12-11
Avg Score 6.4 7.7
Rank #30 #11
Tests Correct
Consistency 8.9 9.5
Cost per result 14.411 2.389
Total Cost $1.297 $0.263
Attempt pass rate 64.4% 77.8%
Flaky tests 2 1
common.totalRuns 45 (15 x 3) 45 (15 x 3)
Output Tokens 26,066 15,510
Reasoning Tokens 17,071 0
Response Time (avg) 25.08s 7.29s
Response Time (max) 83.40s 38.52s
Response Time (total) 200.67s 109.31s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Avg Score vs Response Time (avg)

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 4.0 4.4 55.6% 2 11.88s 897 1,000
OpenAI: GPT-5.2 Chat 10.0 10.0 100.0% 0 3.97s 1,651 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 10.0 10.0 100.0% 0 76.66s 8,178 5,194
OpenAI: GPT-5.2 Chat 10.0 10.0 100.0% 0 9.12s 1,243 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 9.9 10.0 100.0% 0 7.37s 691 757
OpenAI: GPT-5.2 Chat 9.9 10.0 100.0% 0 3.05s 980 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 10.0 10.0 0.0% 0 83.40s 14,642 8,687
OpenAI: GPT-5.2 Chat 4.0 10.0 33.3% 0 17.78s 7,810 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 10.0 10.0 100.0% 0 2.43s 266 467
OpenAI: GPT-5.2 Chat 6.0 6.1 83.3% 1 5.46s 1,528 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 7.0 10.0 66.7% 0 4.60s 531 637
OpenAI: GPT-5.2 Chat 7.0 10.0 66.7% 0 4.42s 1,743 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Anthropic: Claude Opus 4.6 10.0 10.0 100.0% 0 9.73s 861 329
OpenAI: GPT-5.2 Chat 10.0 10.0 100.0% 0 4.68s 555 0

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