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Charisma - Conversational AI for NPCs

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Charisma brings NPCs to life using advanced AI conversation. Talk to the characters using voice or text, and they talk back!

  • Supported Platforms
  • Supported Engine Versions
    5.0 - 5.2
  • Download Type
    Engine Plugin
    This product contains a code plugin, complete with pre-built binaries and all its source code that integrates with Unreal Engine, which can be installed to an engine version of your choice then enabled on a per-project basis.
Power truly intelligent NPCs in metaverses, games and VR

Charisma’s unique AI enables character-driven experiences that immerse audiences in new levels of storytelling.

Now, you can talk directly to characters using text or voice. Your players can say anything, and the characters will talk back!

To use this plugin, you must have a Charisma developer licence enabled on your Charisma account. Please contact us at hello@charisma.ai for a one-month free trial! Then, you can connect a web or game story to Unreal Engine using this plugin.

To get started:

  1. Sign up for a free account at https://charisma.ai/register
  2. Contact us at hello@charisma.ai for a one-month free trial of our developer licence
  3. Download and install the Charisma plugin above
  4. Follow the docs to link your Charisma story to Unreal Engine

Find out more about Charisma at https://charisma.ai!

  • Voices: Charisma supports a wide range of state-of-the-art, real-time voices for characters with out-the-box support for lifelike performance.
  • Memory: Characters can remember decisions, information about the player, and even the playerʼs sentences to quote back later in the story.
  • Emotion: Let your character's personalities shine through and have their feelings influence their reactions.
  • Analytics: Charisma tracks conversations in real-time and has analytics dead-centre in the story editor, so you can write more of the storylines that players enjoy.
  • Easy to write: Charisma uses the latest machine learning tech to make authoring stories fast and simple.

Join our Discord server if you have any questions, find a bug, or need help: https://discord.gg/2KW3N4p

~ The Charisma Team

Technical Details


  • Connects the Charisma platform to Unreal Engine, enabling your characters to have a conversation with you 

Code Modules:

  •  CharismaModule - Runtime

Number of Blueprints: The plugin provides various Blueprint nodes to help connect to Charisma, such as nodes to create playthrough tokens, conversations, set memories, and so on. See the docs for more info!

Number of C++ Classes: 0

Network Replicated: No

Supported Development Platforms: Win64, Mac

Supported Target Build Platforms: Win64, Mac

Documentation: https://github.com/charisma-ai/charisma-sdk-unreal