LLM Reference
Azure OpenAI

o3 Mini on Azure OpenAI

o3 · OpenAI

Serverless

Last refreshed 2026-06-04. Next refresh: weekly.

Why use o3 Mini on Azure OpenAI?

Azure OpenAI offers o3 Mini with competitive pricing. Azure OpenAI Service hosts OpenAI's GPT-4o, GPT-4, GPT-3.5, and embedding models on Microsoft Azure with enterprise SLAs.

Compare o3 Mini across 4 providers to find the best fit for your use case
Input / 1M
-
Output / 1M
-
Cache
Not sourced
Batch
in $0.15 / out $0.60

Setup recipe

Python + curl
Install
pip install openai
Auth
export AZURE_OPENAI_API_KEY=...
Call
import os
from openai import AzureOpenAI
client = AzureOpenAI(
    azure_endpoint=os.environ["AZURE_OPENAI_ENDPOINT"],  # e.g. https://{resource}.openai.azure.com
Model ID
o3-mini

Request example

import os
from openai import AzureOpenAI

client = AzureOpenAI(
    azure_endpoint=os.environ["AZURE_OPENAI_ENDPOINT"],  # e.g. https://{resource}.openai.azure.com
    api_key=os.environ["AZURE_OPENAI_API_KEY"],
    api_version="2024-02-01"
)
response = client.chat.completions.create(
    model="o3-mini",  # your deployment name
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Gotchas

  • o3-mini is your Azure deployment name, not the underlying model name. Deployment names are set when you deploy a model in Azure AI Foundry / Azure OpenAI Studio.
  • The examples expect AZURE_OPENAI_API_KEY; rename it only if your application config maps the new variable.

Compare o3 Mini Across Providers

ProviderInput (per 1M)Output (per 1M)
OpenRouter$1.10$4.40
Azure OpenAI
OpenAI API
Vercel AI Gateway$1.10$4.40

Capabilities

ReasoningFunction CallingTool UseStructured OutputsCode ExecutionPrompt Caching

About o3 Mini

OpenAI o3-mini - cost-optimized reasoning model. Compact variant of reasoning model family.

FAQ

What is the context window for o3 Mini on Azure OpenAI?

o3 Mini supports a 200k token context window on Azure OpenAI.

How does Azure OpenAI compare to other o3 Mini providers?

o3 Mini is available from 4 providers. The cheapest input pricing is $1.1/1M tokens from OpenRouter.

Who created o3 Mini?

o3 Mini was created by OpenAI as part of the o3 model family.

Is o3 Mini open source?

o3 Mini is not open source; the seed data lists it as proprietary.

Get Started

Model Specs

Released2025-01-31
Context200k
ArchitectureDecoder Only
Knowledge cutoff2025-04