GPT-5.4 (medium) vs GPT-5.5 (low)

Rank: #24
Total Output Tokens: 88,670
Response Time (avg): 23.10s
Total Cost: $1.533

Rank: #9
Total Output Tokens: 28,418
Response Time (avg): 10.13s
Total Cost: $1.253

Recommended model GPT-5.5 (low)

It has the best score here (9.3), while responding about 2.3x faster than GPT-5.4 (medium).

Detailed comparison

Metric	GPT-5.4 GPT-5.4 medium Release: 2026-03-05	GPT-5.5 GPT-5.5 low Release: 2026-04-24

Metric	GPT-5.4 GPT-5.4 medium Release: 2026-03-05	GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score	8.5	9.3
Rank	#24	#9
Reliability	10.0	10.0
Consistency	8.6	10.0
Tests Correct
Attempt pass rate	77.3%	86.4%
Flaky tests	4	0
Total Runs	66	66
Cost per result	10.220	6.594
Total Cost	$1.533	$1.253
Input Price	$2.500 / 1M	$5.000 / 1M
Output Price	$15.000 / 1M	$30.000 / 1M
Total Input Tokens	81,127	80,058
Output Tokens	6,155	5,378
Reasoning Tokens	82,515	23,040
Response Time (avg)	23.10s	10.13s
Response Time (max)	100.41s	56.19s
Response Time (total)	508.26s	222.82s

Model generation showcase

Hamster playing table tennis

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

#24 GPT-5.4

medium

Cost: $0.214
Time: 199.6s
Tokens: 14,349 tok

#9 GPT-5.5

low

Cost: $0.068
Time: 37.0s
Tokens: 2,339 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

Category:

Anti-AI Tricks	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.4	8.3	10.0	75.0%	0		4.11s	606	240	1,511
GPT-5.5	10.0	10.0	100.0%	0		4.41s	606	238	1,020

Coding	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.4	8.8	7.8	88.9%	1		44.36s	7,305	433	24,216
GPT-5.5	10.0	10.0	100.0%	0		15.04s	7,302	423	6,402

Combined	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.4	10.0	10.0	100.0%	0		29.77s	58,038	4,214	13,351
GPT-5.5	10.0	10.0	100.0%	0		13.73s	56,868	3,635	1,297

Data parsing and extraction	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.4	10.0	10.0	100.0%	0		5.32s	7,140	234	804
GPT-5.5	10.0	10.0	100.0%	0		3.28s	7,140	228	157

Domain specific	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.4	5.3	7.2	44.4%	1		74.27s	619	61	34,748
GPT-5.5	5.3	10.0	33.3%	0		28.05s	723	69	11,609

General Intelligence	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.4	4.7	3.1	33.3%	1		4.92s	477	145	321
GPT-5.5	10.0	10.0	100.0%	0		5.17s	477	133	245

Instructions following	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.4	10.0	10.0	100.0%	0		3.11s	660	93	897
GPT-5.5	9.9	10.0	100.0%	0		3.74s	660	93	415

Puzzle Solving	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.4	8.2	7.2	88.9%	1		9.14s	642	441	3,815
GPT-5.5	10.0	10.0	100.0%	0		4.74s	642	279	954

Tool Calling	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.4	10.0	10.0	100.0%	0		13.28s	5,445	264	1,031
GPT-5.5	10.0	10.0	100.0%	0		4.96s	5,445	250	101

Trivia	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.4	3.0	10.0	0.0%	0		13.95s	195	30	1,821
GPT-5.5	3.0	10.0	0.0%	0		10.06s	195	30	840

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