Sonzai LabsInfrastructure for believable AI
THE
CHARACTER
ENGINE
Build AI characters with long-term memory, autonomous behavior, and personality that evolves with every interaction. Deploy on Telegram, Discord, WhatsApp, or via API.
Persistent MemoryProactive BehaviorEvolving Personality

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BELIEVABLE AI CHARACTERS AT SCALE
The infrastructure for AI characters that truly exist. Powering Pocket Souls and ready for your product.
CORE CAPABILITIES
Persistent Memory
Every interaction is permanently encoded. Characters recall past conversations, preferences, and commitments with no context window limits.
Proactive Engagement
Characters don't wait for input. They schedule check-ins, follow up on commitments, and reach out with relevant context on their own.
Adaptive Personality
Characters evolve through real interactions. Speech patterns, emotional responses, and behaviors adapt to each individual user over time.
