Question: I'm looking for a conversational AI solution that can create interactive characters for my game or virtual world.

If you're looking for a conversational AI solution to create interactive characters for your game or virtual world, Convai is an excellent choice. Convai lets developers create intelligent characters that can talk, perceive and act in game environments. It features real-time voice interactions and a knowledge base, with flexible pricing including a free plan.

Another interesting option is Inworld, an AI engine for game developers to create more lifelike AI agents and dynamic NPCs. It can be integrated with multiple game projects and includes tools for character creation, scene creation, dialogue management and AI voice generation. The platform is designed to increase player engagement and retention.

If you're looking for something more advanced, Alethea AI offers CharacterGPT V2, a text-to-character AI system that generates interactive AI characters with high-fidelity rendering. The system can be tokenized on the blockchain and can be customized and trained, making it suitable for digital twins, digital guides and AI NPCs.

Last, Cypher offers a conversational AI platform that lets users create and interact with custom, realistic characters in real-time. It uses generative models for real-time conversations, remembering previous conversations and following up contextually. The platform is good for communities and influencers who want to increase audience engagement.