When was GPT-5.4 Mini released?

OpenAI released GPT-5.4 Mini on 17 Mar 2026. It is available through the qynio gateway.

Does GPT-5.4 Mini support zero data retention?

Not by default. See the per-route data-handling section for each route's logging stance and retention window.

Where is GPT-5.4 Mini hosted?

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

Is GPT-5.4 Mini trained on prompts and outputs?

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

Is a no-KYC deposit available for GPT-5.4 Mini?

Yes. A no-KYC Data Processing Agreement is available on at least one route serving GPT-5.4 Mini. Contact hello@qyn.io to receive it.

GPT-5.4 Mini

by OpenAI

All OpenAI releases

GPT-5.4 Mini significantly improves over GPT-5 Mini across coding, reasoning, multimodal understanding, and tool use, while running more than 2x faster. With a 400k token context window and vision support, it approaches the performance of the larger GPT-5.4 on evaluations including SWE-Bench Pro and OSWorld-Verified. Built for high-volume workloads where latency shapes the user experience, GPT-5.4 Mini works well as the primary model for responsive coding assistants, quick-turnaround subagents, computer-use systems that interpret screenshots, and multimodal applications reasoning over images. The model supports structured output, function calling, and tool use for integration with complex workflows. OpenAI positions it as its strongest mini model for coding, computer use, and agentic tasks that demand both speed and capability.

Open in playground Try in chat Compare

Key info

Input

Output

Features

Context window

400K

Max output

128K

Input price

$0.75 /1M

Output price

$4.50 /1M

Released

17 Mar 2026

onchain settlement available
US residency available
No training by default
no-KYC deposit available

Available routes

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

Provider	Region	Zero data retention	Training	Input	Output
Azure	EU	Not by default	No	$0.75	$4.50
OpenAI	US	Not by default	No	$0.75	$4.50

Uptime and availability

GPT-5.4 Mini runs on 2 independently monitored routes through the qynio gateway. A direct integration leaves you on one of them, the gateway serves whichever is healthy.

100%effective uptime, last 30 days

Averaged across these routes on their own, a single provider reached 98.03% over the same window.

Daily status through the gateway, which serves each request from whichever route is healthy.

2 monitored providers serve GPT-5.4 Mini.

Measured over the last 30 days from each provider's official status feed via StatusGator. Refreshed hourly. See uptime for every provider qynio monitors.

Data handling per route

Each route hosting GPT-5.4 Mini has its own privacy posture, residency, and no-KYC terms. Postures are maintained by qynio with a last-verification timestamp.

Azure — Sweden🇸🇪

Zero data retention is not on by default — abuse monitoring, 30-day retention. No training on customer data. EU; deposit available.

Zero data retention: Not by default — abuse monitoring, 30-day retention. Derived from the logging and moderation facts.
Training: No training on customer data.
Logging: Abuse monitoring (30-day retention)
Moderation: Not established
Caching: Not established
Subprocessor access: Not established
no-KYC deposit: deposit available
Transfer mechanism: Not applicable — data stays in EU

OpenAI — United States🇺🇸

Zero data retention is not on by default — abuse monitoring, 30-day retention. No training on customer data. US; wallets; deposit available.

Zero data retention: Not by default — abuse monitoring, 30-day retention. Derived from the logging and moderation facts.
Training: No training on customer data.
Logging: Abuse monitoring (30-day retention)
Moderation: Not established
Caching: Not established
Subprocessor access: Not established
no-KYC deposit: deposit available
Transfer mechanism: wallets

Benchmarks

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

Global rank#104 of 630 LLMs

TierStrong

Intelligence Index40.9

Coding Index56.1

Reasoning & knowledge

GPQA Diamond

88%

Humanity's Last Exam

28%

Long-context reasoning

73%

Coding

SciCode

50%

Agentic & tool use

Terminal-Bench Hard

52%

τ²-Bench Telecom

83%

Math & instruction following

IFBench

73%

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

Get started

Call GPT-5.4 Mini through the qynio gateway with one API key. Let your coding agent set it up, or call it directly — qynio is drop-in compatible with the OpenAI, Anthropic, and Google AI SDKs.

Set it up with your agent

Copy this and paste it into a coding agent like Claude Code, Cursor or Codex and it'll wire up qynio for you.

Or call it directly

1import OpenAI from "openai";
2
3const client = new OpenAI({
4  apiKey: process.env.QYN_API_KEY,
5  baseURL: "https://api.qyn.io/v3/compat",
6});
7
8const completion = await client.chat.completions.create({
9  model: "openai/gpt-5.4-mini",
10  messages: [{ role: "user", content: "Hello" }],
11});
12console.log(completion.choices[0].message.content);