Compare NPC AI Solutions

The market has shifted. Inworld pivoted to voice. We focus on NPC intelligence.

Feature Inworld AI
$300/mo
Convai
~$199/mo
Charisma
$5/50K credits
AINPCEngine
from $1 one-time
Core FocusVoice AI (pivoted)Embodied AI + lip syncInteractive storytelling NPC intelligence + memory
AI SystemSingle modelSingle modelStory graph AI Ensemble (9 Mind Modules)
MemoryNone (pivoted)Session onlyScript-based NPC Soul (permanent)
Cognitive DepthBasic emotions Beliefs, psychology, goals
NPC Coordination Social graph, gossip
Knowledge Graph Fact transfer between NPCs
Schedules Daily routines, jitter
Cost / Interaction~$0.003~$0.002~$0.025/min ~$0.002
Token OptimizationN/A Optimized AI pipeline
Engine SDKsAPI onlyUnity, UnrealUnity, Unreal Unity + Unreal + Godot
Free TierUsage-basedLimited $1 one-time, 1K interactions
Persona GeneratorBasic Big Five, 25+ attributes

Usage-Based API Pricing

Base plan + pay per interaction. More features, better quality, 10% lower price.

Starter
$1
one-time
Hard cap at 1,000 interactions/mo
  • 5 NPCs
  • 1,000 interactions/mo
  • Dialogue expert
  • REST API
  • All SDKs

$1 keeps the platform fast and spam-free for real studios.

Get Started
Indie
$29
/mo
Overage: $0.005/interaction
  • 25 NPCs
  • 10,000 interactions/mo
  • 3 experts (DLG+CMB+TRD)
  • 7-day persistent memory
  • Persona generator
  • REST + WebSocket
Get Started
Enterprise
$499
/mo
Overage: $0.003/interaction
  • Unlimited NPCs
  • 500,000 interactions/mo
  • All 9 + custom experts
  • Unlimited memory
  • Full AINPC cognitive suite
  • Voice included
  • SLA + dedicated support
Get Started
Need something bespoke?

Custom NPC pipelines, dedicated infrastructure, white-label, on-premise deployment, or integration consulting.

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1 interaction = 1 game event. Optimized AI pipeline delivers higher quality responses at ~10% lower cost than competitors.

Voice Add-on

Add AI voice generation to any paid tier. NPCs that speak, not just type.

Voice Basic
$29/mo

AI voice generation, 10K characters/mo, 15+ languages

Voice Pro
$99/mo

Premium voices, voice cloning, 100K characters/mo

Voice Enterprise
Custom

Dedicated pipeline, unlimited custom voices, priority rendering

Cost Per Interaction Comparison

$0.003
Inworld AI

Full model per NPC, no compression, pivoted to voice

$0.002
Convai

Single brain, session memory only, no cognitive depth

$0.002
AINPCEngine

9 experts, persistent memory, cognitive depth. Better quality, ~10% lower.

Same price range, massively more features: persistent memory + beliefs + psychology + schedules + NPC coordination — all included.

More Features. Less Cost. Start Free.

$1 one-time gets you 5 NPCs and 1,000 interactions. The only NPC engine with cognitive depth.