OpenAI: O3 Mini

Name: O3 Mini API
Brand: Openai

deprecated

O3 Mini is available through Everstack's OpenAI-compatible gateway with routing, fallback, retries, and observability.

o3-minio-seriesreleased Dec 20, 2024

Provider Quick start

Context

200K

tokens

Max output

100K

tokens

Input

$1.10

per 1M

Output

$4.40

per 1M

Activity

Daily period usage

Aggregated managed Everstack traffic. Buckets below 5 tenants or 100 requests are withheld.

Providers

ProviderContextInput /MOutput /M

Pricing

Item	Price	Unit
Input	$1.10	per 1M tokens
Output	$4.40	per 1M tokens
Cache read	$0.55	per 1M tokens

Performance

Reliability

Compare

Compare usage and performance

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Capabilities

Modalities

Input

Output

Details

Model ID: o3-mini
Family: o-series
Status: deprecated
Knowledge: -
Released: Dec 20, 2024

Gateway Config

API: 2024-01-01
Auth: OPENAI_API_KEY
Discovery: static
Provider type: static

Quick Start

index.ts

import Everstack from "@everstack/node";const client = new Everstack({  apiKey: process.env.EVERSTACK_API_KEY!,  baseUrl: "https://{instance}.{region}.everstack.ai",});const completion = await client.chat.completions.create({  model: "@openai/o3-mini",  messages: [{ role: "user", content: "Explain vector cache routing." }],});console.log(completion.choices[0]?.message?.content);

Endpoint

Base URL

https://api.openai.com/v1

Chat completions

https://api.openai.com/v1/chat/completions

Model

o3-mini

Auth env

OPENAI_API_KEY

O3 Mini FAQ

How much does the O3 Mini API cost?

Through OpenAI, O3 Mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens.

What is the context window of O3 Mini?

O3 Mini accepts up to 200K tokens of context and returns up to 100K output tokens on OpenAI.

Which providers offer O3 Mini?

O3 Mini is available from Azure OpenAI and OpenAI. Everstack can route between them with automatic fallback when one is unavailable.

What can O3 Mini do?

O3 Mini supports chat, function calling and reasoning. It accepts text input.

How do I call O3 Mini through Everstack?

Point any OpenAI-compatible SDK at your Everstack gateway and set the model to @openai/o3-mini. Everstack adds retries, provider fallback, caching, per-tenant budgets and OpenTelemetry traces for every request.