Last refreshed 2026-05-10. Next refresh: weekly.
Why use GPT-4.1 on Azure OpenAI?
Azure OpenAI offers GPT-4.1 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 GPT-4.1 across 4 providers to find the best fit for your use caseSetup recipe
Python + curlpip install openaiexport AZURE_OPENAI_API_KEY=...import os
from openai import AzureOpenAI
client = AzureOpenAI(
azure_endpoint=os.environ["AZURE_OPENAI_ENDPOINT"], # e.g. https://{resource}.openai.azure.comgpt-4.1Request 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="gpt-4.1", # your deployment name
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- gpt-4.1 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 GPT-4.1 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $2.00 | $8.00 |
| Azure OpenAI | — | — |
| OpenAI API | $2.00 | $8.00 |
| Vercel AI Gateway | $2.00 | $8.00 |
Capabilities
About GPT-4.1
OpenAI's GPT-4.1 model released April 2025, excelling at coding tasks, precise instruction following, and web development. Outperforms GPT-4o in these areas with a 1 million token context window. Available via API and in ChatGPT for Plus, Pro, Team, Enterprise, and Edu users.
FAQ
What is the context window for GPT-4.1 on Azure OpenAI?
GPT-4.1 supports a 1.05m token context window on Azure OpenAI.
How does Azure OpenAI compare to other GPT-4.1 providers?
GPT-4.1 is available from 4 providers. The cheapest input pricing is $2/1M tokens from OpenRouter.
Who created GPT-4.1?
GPT-4.1 was created by OpenAI as part of the GPT-4.1 model family.
Is GPT-4.1 open source?
GPT-4.1 is not open source; the seed data lists it as proprietary.