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Anthropic: Claude Opus 4.8 vs OpenAI: GPT-5.4 Mini

Last updated at: 2026-05-28

Metric Claude Opus 4.8 Claude Opus 4.8 none Release: 2026-05-28 GPT-5.4 Mini GPT-5.4 Mini medium Release: 2026-03-17
Score 7.3 7.3
Rank #63 #62
Reliability 10.0 10.0
Consistency 9.2 7.9
Tests Correct
Attempt pass rate 65.0% 71.7%
Flaky tests 2 5
Total Runs 60 60
Cost per result 4.324 4.417
Total Cost $0.519 $0.486
Input Price $5.000 / 1M $0.750 / 1M
Output Price $25.000 / 1M $4.500 / 1M
Output Tokens 8,098 2,160
Reasoning Tokens 0 100,548
Response Time (avg) 3.51s 22.10s
Response Time (max) 17.73s 138.75s
Response Time (total) 70.19s 442.09s

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-5.4 Mini 8.6 7.9 91.7% 1 4.05s 296 2,876
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-5.4 Mini 7.5 6.0 83.3% 1 73.25s 446 32,513
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-5.4 Mini 10.0 10.0 100.0% 0 17.81s 317 4,317
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-5.4 Mini 10.0 10.0 100.0% 0 2.43s 234 650
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-5.4 Mini 4.1 4.4 44.5% 2 65.31s 60 43,286
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-5.4 Mini 4.5 10.0 0.0% 0 3.72s 150 510
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-5.4 Mini 9.8 10.0 100.0% 0 2.13s 96 1,185
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-5.4 Mini 7.8 10.0 66.7% 0 4.37s 278 2,443
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-5.4 Mini 4.7 1.6 66.7% 1 9.62s 251 2,594
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-5.4 Mini 3.0 10.0 0.0% 0 30.10s 32 10,174

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