See conversational AI NPCs with real-time lip sync and facial animation running live in Unreal Engine 5. Lip sync and speech recognition run fully offline, no internet required. TTS and LLM can also run locally, or you can connect external providers like OpenAI, ElevenLabs, Claude, Gemini, and more. No subscription required.
https://dev.epicgames.com/community/learning/tutorials/qEWO/unreal-engine-real-time-voice-ai-facial-animation-for-metahuman-characters