Does GPT-4o support zero data retention?

Not self-serve on Pay-as-you-go. Zero data retention for GPT-4o is available on request via Opper Enterprise — contact hello@opper.ai.

Where is GPT-4o hosted?

GPT-4o runs on both EU and US hosting routes through the Opper gateway. Pick the route that matches your residency requirement.

Is GPT-4o trained on prompts and outputs?

No. Every hosting route for GPT-4o is configured so customer prompts and outputs are not used to train models by default.

Is a GDPR DPA available for GPT-4o?

Yes. A GDPR Data Processing Agreement is available on at least one route serving GPT-4o. Contact hello@opper.ai to receive it.

GPT-4o

by OpenAI

GPT-4o from OpenAI — text model on the Opper gateway.

Try in chat Open in playground Compare

Key info

Input

Output

Features

Context window

128K

Max output

16K

Input price

$2.50 /1M

Output price

$10.00 /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#294 of 518 LLMs

TierEfficient

Output speed136 tok/s

First token0.55s

Intelligence Index17.3

Coding Index16.7

Math Index6.0

MMLU-Pro

75%

GPQA Diamond

54%

Humanity's Last Exam

LiveCodeBench

31%

SciCode

33%

AIME 2025

IFBench

34%

Long-context reasoning

Terminal-Bench Hard

τ²-Bench Telecom

25%

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

Available routes

GPT-4o 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	$2.75	$11.00
OpenAI	US	Enterprise	No	$2.50	$10.00

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

Data handling per route

Each route hosting GPT-4o has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.