> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Supported LLM providers and models

> The LLM providers ABBYY Vantage supports for prompt-based extraction, including connection fields and example models for OpenAI ChatGPT, Microsoft Foundry, and Google AI Studio (Gemini).

ABBYY Vantage integrates external LLM providers through **LLM connections**. The following providers are supported.

## Supported providers

| Provider                      | Description                                                            | Connection fields                    | Example models                          |
| :---------------------------- | :--------------------------------------------------------------------- | :----------------------------------- | :-------------------------------------- |
| **OpenAI ChatGPT**            | Direct connection to OpenAI's API.                                     | **Api Key**, **Model**               | `gpt-4`, `gpt-3.5-turbo`                |
| **Microsoft Foundry**         | OpenAI and other AI models hosted on Microsoft's Azure infrastructure. | **Api Key**, **Url**, **Model Name** | `gpt-4`, `gpt-4.1-nano`, `gpt-35-turbo` |
| **Google AI Studio (Gemini)** | Google's Gemini models through AI Studio.                              | **Api Key**, **Model**               | `gemini-2.0-flash`, `gemini-2.5-pro`    |

The models listed are examples, not a complete list. Enter the exact model or deployment name that your provider account supports.

To set up a connection to any of these providers, see [Configure LLM connections](/vantage/documentation/skills/connections).

## OpenAI ChatGPT

Direct access to OpenAI models with a simple, API-key-only setup. Best for organizations already using the OpenAI platform.

* Connection fields: **Api Key** (starts with `sk-`) and **Model**.
* Document data is processed on OpenAI's infrastructure, subject to OpenAI's terms and data policies.

## Microsoft Foundry

OpenAI and other AI models hosted on Microsoft's Azure infrastructure. Best for enterprise deployments that need data-residency controls, Azure integration, or custom model hosting.

* Connection fields: **Api Key**, **Url** (the full endpoint, including the deployment path and API version), and **Model Name** (the exact name of your deployed model).
* Available models may differ from OpenAI direct. Suited to organizations with an existing Azure subscription and compliance requirements.

## Google AI Studio (Gemini)

Google's Gemini models through AI Studio, with a simple, API-key-only setup. Best for cost-effective access to multimodal models, especially for organizations already using Google Cloud.

* Connection fields: **Api Key** and **Model**.
* Document data is processed on Google's infrastructure, subject to Google's terms and data policies. Model availability may vary by region.

## Related topics

* [LLMs in ABBYY Vantage](/vantage/documentation/llms/llms)
* [Configure LLM connections](/vantage/documentation/skills/connections)
* [Extract data with prompt-based activities](/vantage/documentation/skills/prompt-extraction)