# Supported models and limits

> Look up the AI models Autopilot supports and their context-window and output-token limits, organized by model.

Autopilot supports the following models. To configure your own subscription for any of them, refer to [Configuring an LLM for Autopilot](https://docs.uipath.com/autopilot/other/latest/user-guide/configuring-an-llm-for-autopilot).

## Supported models

Autopilot supports the following models:

* anthropic.claude-4-5-sonnet
* gpt-4o-2024-11-20
* gpt-5-1 (not available in Public Sector)
* gpt-5-4 (not available in Public Sector)
* gemini-2.5-pro (not available in Public Sector)
* gemini-2.5-flash (not available in Public Sector)

## Model limits

The following context window and maximum output token limits are specific to each model. They are separate from product-level and feature-level limits, such as maximum test cases or maximum requirement-quality suggestions — for those, see [Best practices and limitations](https://docs.uipath.com/autopilot/other/latest/user-guide/autopilot-for-testers-best-practices).

| Model | Context window | Max output tokens |
|---|---|---|
| GPT-4o (OpenAI) | 128K tokens | 16,384 (16K) tokens |
| GPT-5 family (OpenAI) | 400K tokens | Up to 128K tokens |
| Claude Sonnet 4.5 (Anthropic) | 200K tokens | 64K tokens |
| Gemini 2.5 Pro (Google) | Up to ~1M tokens (1,048,576) | ~64K tokens (65,535) |
| Gemini 2.5 Flash (Google) | Up to ~1M tokens (smaller effective reasoning depth than Pro) | ~64K tokens (65,535) |