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Claude Opus 5 vs OpenAI: GPT-5.4 Nano

The average score is effectively tied at 7.5 vs 7.5. GPT-5.4 Nano (medium) has the lower benchmark cost at $0.138 vs $1.550. Claude Opus 5 is faster at 7.60s vs 13.24s, with pass rates of 57.6% vs 65.2%.

Recommended modelGPT-5.4 Nano (medium)It has the best score here (7.5), while costing about 11.2x less than Claude Opus 5.

Last updated at: 2026-07-25

Metric Claude Opus 5 Claude Opus 5 none Release: 2026-07-25 GPT-5.4 Nano GPT-5.4 Nano medium Release: 2026-03-17
Score 7.5 7.5
Rank #59 #61
Reliability 10.0 10.0
Consistency 9.6 8.5
Tests Correct
Attempt pass rate 57.6% 65.2%
Flaky tests 1 4
Total Runs 66 66
Cost per result 12.912 1.150
Total Cost $1.550 $0.138
Input Price $5.000 / 1M $0.200 / 1M
Output Price $25.000 / 1M $1.250 / 1M
Total Input Tokens 185,550 82,819
Output Tokens 24,866 7,100
Reasoning Tokens 0 90,022
Response Time (avg) 7.60s 13.24s
Response Time (max) 47.72s 94.06s
Response Time (total) 167.28s 291.33s

Hamster playing table tennis

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

#59 Claude Opus 5

none
Cost
$0.271
Time
149.3s
Tokens
10,962 tok

#61 GPT-5.4 Nano

medium
Cost
$0.007
Time
24.6s
Tokens
4,943 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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Opus 5 5.9 9.7 33.3% 0 5.54s 10,590 2,886 0
GPT-5.4 Nano 6.1 4.7 66.7% 2 19.12s 7,305 516 20,778

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