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Claude Opus 5 vs GPT-5.4 Nano (medium)

The average score is effectively tied at 7.5 vs 7.5. GPT-5.4 Nano (medium) has the lower benchmark cost at $0.142 vs $1.550. Claude Opus 5 is faster at 7.65s vs 13.32s, with pass rates of 57.6% vs 65.2%.

Last updated at: 2026-09-07

Compared models

Rank
#97
Total Output Tokens
24,866
Response Time (avg)
7.65s
Total Cost
$1.550
Rank
#98
Total Output Tokens
99,881
Response Time (avg)
13.32s
Total Cost
$0.142
Recommended model GPT-5.4 Nano (medium)

It has the best score here (7.5), while costing about 11.0x less than Claude Opus 5.

Detailed comparison

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 #97 #98
Reliability 10.0 10.0
Consistency 9.6 8.5
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 57.6% 65.2%
Flaky tests 1 4
Total Runs 66 66
Cost per result 12.912 1.179
Total Cost $1.550 $0.142
Input Price $5.000 / 1M $0.200 / 1M
Output Price $25.000 / 1M $1.250 / 1M
Total Input Tokens 185,547 82,828
Output Tokens 24,866 7,100
Reasoning Tokens 0 92,781
Response Time (avg) 7.65s 13.32s
Response Time (max) 47.72s 94.06s
Response Time (total) 168.35s 292.97s
Parameters ~5T total (~500B active) ~120B total (~5B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#97 Claude Opus 5

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

#98 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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