Best AI tools for NPC dialogue
Write the lines that carry the plot yourself. Use a runtime character only where a player can genuinely wander. Budget for latency, not only for the plugin.
01
Inworld AI
Runtime character AI for NPCs, with Unity and Unreal integrations.
Why it is on this list. Conversational characters with Unity and Unreal integrations.
02
Convai
Real-time conversational NPCs for games, with Unity and Unreal plugins.
Why it is on this list. Spoken NPCs, also with Unity and Unreal plugins.
03
NVIDIA ACE
NVIDIA's digital-human technologies for speech, expression, and game characters. Centered on Unreal.
Why it is on this list. A developer stack for speech and facial performance, centered on Unreal.
04
Charisma.ai
Conversational characters for interactive stories and structured scenarios.
Why it is on this list. Conversational characters that stay inside a story you author.