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OpenAI-Api-Unreal
Integration for the OpenAI Api in Unreal Engine
Stars: 631
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The OpenAIApi Plugin provides access to the OpenAI API in Unreal Engine, allowing users to generate images, transcribe speech, and power NPCs using advanced AI models. It offers blueprint nodes for making API calls, setting parameters, and accessing completion values. Users can authenticate using an API key directly or as an environment variable. The plugin supports various tasks such as generating images, transcribing speech, and interacting with NPCs through chat endpoints.
README:
The OpenAIApi Plugin gives you access to the OpenAI API in Unreal Engine. It is compatible with 4.26, 4.27, 5.0, 5.1, 5.2, and 5.3
This is a community Plugin. No affiliation with OpenAI
The recommended way to install the plugin is to use pre-built binaries.
- Download the Plugin here
- Create a
Plugins
folder under your project folder - Copy the plugin to it, so you have
YourProject/Plugins/OpenAIAPI
See Video
NOTE: This tutorial is out of date. Updating it soon to show how you can use this plugin to:
Generate images at runtime usingDALL·E 2
.
Transcribe speech in any language usingWhisper v2-large
.
Use the chat endpoint to power an NPC withGPT-4
andGPT-3.5-Turbo
.
There are two ways to set the Api Key
-
Assign the Api key directly in blueprints.
-
Set the Api Key as an environment variable
ADVICE: Pay attention to security and encrypt your assets before packaging.
ADVICE: Create the environment variable
OPENAI_API_KEY
and use your Api key as the value.
- This async node sends an HTTP request using your
engine
,prompt
, andsettings
.
NOTE: Async nodes can only be called from a blueprint's
Event Graph
.
- This node allows you to set the
Request body
parameters.
NOTE: The extra parameter
Start Sequence
injects text at the beginning of your prompt.
stream
will be supported soon
- This node is used to access the values included in a
completion
orchoice
This example shows OpenAI's OpenAI's completions endpoint in blueprints. (GPT-3)
This example show you how to use OpenAI's chat endpoint in blueprints. (GPT-4 / GPT-3.5-Turbo)
This example shows you how to generate a 1024x1024 image using DALL·E 2 in blueprints.
This example shows you how to record and transcribe speech using Whisper v2-Large in blueprints.
Windows, Mac, Android
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