Does GPT-5.4 support zero data retention?

Not self-serve on Pay-as-you-go. Zero data retention for GPT-5.4 is available on request via Opper Enterprise — contact hello@opper.ai.

Where is GPT-5.4 hosted?

GPT-5.4 runs on both EU and US hosting routes through the Opper gateway. Pick the route that matches your residency requirement.

Is GPT-5.4 trained on prompts and outputs?

No. Every hosting route for GPT-5.4 is configured so customer prompts and outputs are not used to train models by default.

Is a GDPR DPA available for GPT-5.4?

Yes. A GDPR Data Processing Agreement is available on at least one route serving GPT-5.4. Contact hello@opper.ai to receive it.

GPT-5.4

by OpenAI

OpenAI's frontier model for complex professional work. 1M context window with reasoning.

Try in chat Open in playground Compare

Key info

Input

Output

Features

Context window

1.1M

Max output

128K

Input price

$2.50 /1M

Output price

$15.00 /1M

EU residency available
US residency available
Zero data retention via Enterprise
No training by default
GDPR DPA available

Benchmarks

Independent benchmark scores — composite indices for reasoning, coding, and math, plus individual eval scores where available.

Global rank#6 of 518 LLMs

TierFrontier

Output speed89 tok/s

First token196.14s

Intelligence Index56.8

Coding Index57.2

GPQA Diamond

92%

Humanity's Last Exam

42%

SciCode

57%

IFBench

74%

Long-context reasoning

74%

Terminal-Bench Hard

58%

τ²-Bench Telecom

87%

See full leaderboard →Benchmarks via Artificial Analysis · View on AA

Available routes

GPT-5.4 runs on 2 different routes through the Opper gateway. Compare residency, ZDR, and training posture at a glance — full data-handling detail per route below.

Provider	Region	Zero data retention	Training	Input	Output
Azure	EU	Enterprise	No	$2.50	$15.00
OpenAI	US	Enterprise	No	$2.50	$15.00

Training posture across routes: No training on prompts by default.

Data handling per route

Each route hosting GPT-5.4 has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.