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Claude Opus 5 vs GPT-5.4 Nano (medium)

GPT-5.4 Nano (medium) leads on average score with 8.0 vs 7.1. GPT-5.4 Nano (medium) has the lower benchmark cost at $0.235 vs $2.766. Claude Opus 5 is faster at 10.78s vs 15.95s, with pass rates of 55.1% vs 66.7%.

Last updated at: 2026-10-24

Compared models

Rank
#181
Total Output Tokens
31,386
Response Time (avg)
10.78s
Total Cost
$2.766
Rank
#115
Total Output Tokens
110,910
Response Time (avg)
15.95s
Total Cost
$0.235
Recommended model GPT-5.4 Nano (medium)

It has the best score here (8.0), while costing about 11.8x 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 7.1 8.0
Rank #181 #115
Reliability 10.0 10.0
Consistency 9.6 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 55.1% 66.7%
Flaky tests 1 4
Total Runs 69 69
Cost per result 23.044 1.432
Total Cost $2.766 $0.235
Input Price $5.000 / 1M $0.200 / 1M
Output Price $25.000 / 1M $1.250 / 1M
Cache Read Price $0.500 / 1M $0.020 / 1M
Cache Write Price $6.250 / 1M N/A
Total Input Tokens 396,120 237,088
Output Tokens 31,386 8,235
Reasoning Tokens 0 102,675
Response Time (avg) 10.78s 15.95s
Response Time (max) 79.61s 94.06s
Response Time (total) 247.96s 366.93s
Parameters ~5T total (~500B active) ~120B total (~5B active)
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#181 Claude Opus 5

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

#115 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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