Azure OpenAI vs OpenAI API · OpenAI Select Partner

GPT models for your agents, run where your data already lives.

OpenAI's GPT models can run three ways: through the OpenAI API, through Azure OpenAI in Microsoft Foundry, or on Amazon Bedrock. For most companies already on Microsoft, Azure keeps the models under your own subscription, contract and sign-in. As an OpenAI Select Partner, QServices builds on both and helps you choose.

Agent run · supplier invoice to draft entryRunning
10:02:11Read INV-55120.pdf from the AP inbox
10:02:13Structured output: 6 fields, schema valid
10:02:14PO 4410 found; receipt covers 2 of 2 lines
10:02:15Freight $380 isn't on the PO, flagged
10:02:16Draft purchase invoice created. Nothing posted
10:02:16Waiting for approval · AP lead
Illustrative. Model calls run on Azure OpenAI in your subscription.Illustrative
Quick check

Azure OpenAI or the OpenAI API?

Five questions. The models are the same family; the contract, data path and sign-in are not.

  1. 1

    Do you already run Microsoft 365, Dynamics or Azure?

  2. 2

    Must access go through Entra ID and private networking?

  3. 3

    Would you rather have one contract and one bill with Microsoft?

  4. 4

    Do you need data processed in a set region, such as the EU?

  5. 5

    Do you need a feature that launches on OpenAI first, like the Agents API?

Your answer

Answer the questions to see what fits.

Azure OpenAI, in Microsoft Foundry.

Your prompts stay out of OpenAI's hands, access runs through Entra ID, and it bills on your Azure subscription. This is where most of our clients start.

Book a two-week assessment

Either works, so test both.

Nothing rules either route out. We run the same documents through both and compare accuracy, cost and the features you need.

The OpenAI API, directly.

You need features as soon as OpenAI ships them. Plan for OpenAI's residency approvals and a separate contract.

Three routes

Same models, three different contracts.

Azure OpenAI (Microsoft Foundry)OpenAI APIAmazon Bedrock
Your dataNot available to OpenAI; Azure models don't call OpenAI's servicesNot used for training by default; logs kept up to 30 daysGoverned by AWS; not used for training
Where it's processedGlobal, a Data Zone (US, EU or APAC) or your regionUS and EU in-region; other regions store data only, with approvalAWS regions
Sign-in and networkEntra ID and private networkingAPI keys, projects and admin controlsAWS IAM
BillingYour Azure subscriptionAn OpenAI accountYour AWS bill
New featuresUsually after OpenAI; Global deployments firstFirstSelected models, such as GPT-6 Astra since 8 September 2026

From Microsoft Learn, OpenAI's developer documentation and AWS, October 2026. Azure per-token prices are on the Azure pricing page.

Which model

Three GPT models, three kinds of work.

ModelPrice per million tokens (in / out)Best atWhere we use it
GPT-6 Astra$10 / $50, more for prompts over 272,000 tokensComplex reasoning and long documentsHard exceptions and multi-step agents
GPT-6.1 Sol$2 / $10Quality and cost in balanceMatching, drafting replies and journals
GPT-6 Luna$0.10 / $0.50High-volume, cost-sensitive workReading and sorting documents and emails

OpenAI API list prices, October 2026. Azure and AWS bill their own prices.

How we keep it safe

The model drafts. A person decides.

OpenAI's own guidance is to have people review outputs before use, especially when the stakes are high. Our agents are built that way from the first line.

  1. 1
    Agent

    Read and extract

    Structured Outputs return exactly the fields in our schema, or the run stops.

  2. 2
    Agent

    Check against the ERP

    Function calls look up the PO, receipt and supplier. Nothing is written.

  3. 3
    Agent

    Draft and pause

    The run stops before any change and puts the draft in a queue with the evidence.

  4. 4
    Your team

    A named person approves

    Your AP lead or controller posts it, or sends it back.

  5. 5
    Our team

    We run and watch it

    Accuracy and cost per document, reported every month under one SLA.

Keeping the bill down

Four things that change the cost.

Batch: half price

Work that can wait up to 24 hours, like an overnight invoice run, costs 50% less.

Prompt caching

Instructions repeated at the start of every call cost far less once cached.

Long prompts cost more

On GPT-6 Astra, prompts over 272,000 tokens are billed at twice the input rate.

Residency adds 10%

OpenAI's regional endpoints cost 10% more for models released since March 2026.

FAQ

What buyers ask about OpenAI.

Should we use Azure OpenAI or the OpenAI API?

If you already run Microsoft 365, Dynamics or Azure, Azure OpenAI in Microsoft Foundry keeps the models under your Azure subscription, Microsoft's contract and Entra ID. Choose OpenAI directly when you need features that launch there first.

Does OpenAI or Microsoft train on our data?

Not by default. OpenAI doesn't train on API data, and Microsoft states that prompts and replies on Azure aren't available to OpenAI or used to improve its models.

How long is our data kept?

On the OpenAI API, abuse-monitoring logs and stored responses are kept up to 30 days unless zero data retention is approved. On Azure, stored items such as files and batch jobs stay in your Azure geography until you delete them.

Can we keep processing in the EU?

Yes. Azure Data Zone EU deployments process data inside the EU Data Boundary. OpenAI also offers in-region processing in Europe, with its approval and a 10% price uplift on newer models.

Which GPT model should a finance agent use?

Usually two: GPT-6 Luna to read and sort documents at volume, and GPT-6.1 Sol for matching and drafting. GPT-6 Astra is for the hardest cases. We test on your own files first.

Can an OpenAI agent post to our ERP?

It can call your ERP's API, but we stop it at a draft. A named person approves anything that moves money, and every step is logged.

Is QServices an OpenAI partner?

Yes. QServices is an OpenAI Select Partner, as well as a Microsoft Solutions Partner and an Anthropic Claude Partner. See also Claude for business.

OpenAI Select Partner · Microsoft Solutions Partner

GPT agents on your Azure, with your team in charge.

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