Skip to content
Make AI Games

Charisma.ai

Branching story and emotion engine for interactive characters.

NPCs & dialogue
From $5/mo
starting price
Visit Charisma.ai

Overview

Charisma.ai: Branching story and emotion engine for interactive characters. It scores 80/100 in our audio, voice & NPCs ranking. Best for: Narrative games with AI-driven dialogue.

Charisma.ai is a storytelling platform for interactive characters, combining branching narrative with AI-driven dialogue and emotion.

Pros

  • Commercial use allowed
  • Works with Unity, Unreal
  • Unity SDK
  • Unreal SDK
  • Built-in voice
  • Long-term memory

Cons

  • Free trial only, no free plan
  • No runs on device

Charisma.ai pricing

Pro (pay-as-you-go)
$5 pay as you go

Credit bundles: $5/50k, $20/200k, $100/1M, $500/5M credits

Enterprise
Custom

Development fee plus fixed monthly platform fee

Monthly prices in USD as listed by Charisma.ai. Last checked 2026-10-21. Rights: Pro licences are for business customers only; Pro Stories may be published into external platforms such as Unity or Unreal games.

Features

  • Unity SDK Plug 'n' Play SDK needs a Pro story (paid credits) Yes
  • Unreal SDK Plug 'n' Play plugin needs a Pro story (paid credits); UE4.26+/UE5 Yes
  • Built-in voice 1000+ AI voices plus speech recognition Yes
  • Long-term memory Story memories (word/sentence etc.) used by gates Yes
  • NPCs trigger game actions Story metadata triggers in-game events such as animations and movement Yes
  • Runs on device Runs on Charisma's cloud servers; games connect to it over a websocket No

Checked against Charisma.ai's own site, docs and pricing page. How we check

Score breakdown: 80/100

  • Accessibility 21%
    59
  • Output & integration 17%
    72
  • Commercial rights 21%
    100
  • Value 9%
    50
  • Maturity 9%
    100
  • Game focus 9%
    100
  • Features 15%
    83

Based on price, free plan, commercial rights, exports and features. How we score

#11 AI Tools for Unity #7 AI Tools for Unreal Engine #4 AI NPC & Character Dialogue Tools

Charisma.ai alternatives

All alternatives

  • Convai

    Hosted conversational NPCs for Unity, Unreal and the web.

    Free planCommercial use OK
    Free plan
    Paid plans from $29/mo
    Visit

  • Inworld

    AI infrastructure and text to speech; formerly an NPC character studio.

    Commercial use OK
    From $25/mo
    starting price
    Visit

  • NVIDIA ACE

    NVIDIA's digital human and NPC middleware: Audio2Face, speech, on-device models.

    Free planCommercial use OK
    Free
    Visit

Compare Charisma.ai

Compare with Convai and Inworld
Charisma.ai vs Convai Charisma.ai vs Inworld Charisma.ai vs NVIDIA ACE

Sources