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

Summary

Claude Opus 4.8 vs GPT-5.4 Mini benchmark comparison: GPT-5.4 Mini leads on average score with 8.0 vs 7.7. GPT-5.4 Mini has the lower benchmark cost at $0.526 vs $1.270. Claude Opus 4.8 is faster at 10.83s vs 22.34s, with pass rates of 79.4% vs 73.0%.

Recommended model: GPT-5.4 Mini - It has the best score here (8.0), while costing about 2.4x less than Claude Opus 4.8.

Last updated at: 2026-06-30

Metric Claude Opus 4.8 Claude Opus 4.8 low Release: 2026-05-28 GPT-5.4 Mini GPT-5.4 Mini medium Release: 2026-03-17
Score 7.7 8.0
Rank #38 #27
Reliability 10.0 10.0
Consistency 8.8 8.0
Tests Correct
Attempt pass rate 79.4% 73.0%
Flaky tests 3 5
Total Runs 63 63
Cost per result 8.466 4.381
Total Cost $1.270 $0.526
Input Price $5.000 / 1M $0.750 / 1M
Output Price $25.000 / 1M $4.500 / 1M
Total Input Tokens 60,946 34,116
Output Tokens 31,771 2,181
Reasoning Tokens 6,831 108,937
Response Time (avg) 10.83s 22.34s
Response Time (max) 127.97s 138.75s
Response Time (total) 227.39s 469.20s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#38 Claude Opus 4.8

low
Cost
$0.031
Time
14.1s
Tokens
1,345 tok

#27 GPT-5.4 Mini

medium
Cost
$0.056
Time
95.5s
Tokens
12,464 tok

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) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 10.0 10.0 100.0% 0 3.30s 834 793 371
GPT-5.4 Mini 8.6 7.9 91.7% 1 4.05s 606 296 2,876
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 6.6 4.6 77.8% 2 7.58s 10,590 3,637 809
GPT-5.4 Mini 8.4 7.4 88.9% 1 57.87s 7,305 467 40,902
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 9.8 10.0 100.0% 0 20.84s 23,500 2,216 1,081
GPT-5.4 Mini 10.0 10.0 100.0% 0 17.81s 11,019 317 4,317
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 6.3 5.8 66.7% 1 2.27s 10,503 310 0
GPT-5.4 Mini 10.0 10.0 100.0% 0 2.43s 7,140 234 650
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 5.3 10.0 33.3% 0 45.53s 975 23,311 3,908
GPT-5.4 Mini 4.1 4.4 44.5% 2 65.31s 619 60 43,286
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 10.0 10.0 100.0% 0 2.55s 708 231 0
GPT-5.4 Mini 4.5 10.0 0.0% 0 3.72s 477 150 510
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 9.8 10.0 100.0% 0 2.78s 909 111 221
GPT-5.4 Mini 9.8 10.0 100.0% 0 2.13s 660 96 1,185
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 10.0 10.0 100.0% 0 3.01s 894 592 184
GPT-5.4 Mini 7.8 10.0 66.7% 0 4.37s 642 278 2,443
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 10.0 10.0 100.0% 0 6.85s 11,775 370 35
GPT-5.4 Mini 4.7 1.6 66.7% 1 9.62s 5,453 251 2,594
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 4.8 3.0 10.0 0.0% 0 5.48s 258 200 222
GPT-5.4 Mini 3.0 10.0 0.0% 0 30.10s 195 32 10,174

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