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Anthropic: Claude Opus 4.8 vs OpenAI: GPT-5.2

Last updated at: 2026-05-28

Metric Claude Opus 4.8 Claude Opus 4.8 none Release: 2026-05-28 GPT-5.2 GPT-5.2 medium Release: 2025-12-11
Score 7.3 7.3
Rank #63 #61
Reliability 10.0 10.0
Consistency 9.2 8.3
Tests Correct
Attempt pass rate 65.0% 70.0%
Flaky tests 2 4
Total Runs 60 60
Cost per result 4.324 4.094
Total Cost $0.519 $0.492
Input Price $5.000 / 1M $1.750 / 1M
Output Price $25.000 / 1M $14.000 / 1M
Output Tokens 8,098 2,880
Reasoning Tokens 0 28,289
Response Time (avg) 3.51s 16.50s
Response Time (max) 17.73s 77.80s
Response Time (total) 70.19s 214.45s

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 4.8 6.5 10.0 50.0% 0 3.40s 1,472 0
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 4.8 6.8 10.0 50.0% 0 3.59s 1,323 0
GPT-5.2 10.0 10.0 100.0% 0 23.15s 490 8,269
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 9.5 10.0 100.0% 0 17.73s 3,259 0
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 4.8 7.3 5.8 83.3% 1 1.77s 308 0
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 4.8 5.3 7.2 44.4% 1 1.66s 61 0
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 4.8 10.0 10.0 100.0% 0 3.48s 230 0
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 4.8 9.9 10.0 100.0% 0 1.37s 95 0
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 4.8 7.7 10.0 66.7% 0 2.74s 783 0
GPT-5.2 7.5 7.3 77.8% 1 5.80s 735 924
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 10.0 10.0 100.0% 0 5.35s 355 0
GPT-5.2 4.7 1.6 66.7% 1 10.30s 239 469
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 3.0 10.0 0.0% 0 3.41s 212 0
GPT-5.2 3.0 10.0 0.0% 0 28.18s 26 3,223

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