Compare Sonzai

See how Sonzai compares to other memory layers and agent infrastructure for stateful AI agents.

Comparisons

Sonzai vs Mem0

Mem0 is a memory layer focused on fact extraction. Sonzai adds personality, mood, relationships, and a knowledge base on top of hierarchical memory.

Letta (formerly MemGPT) is an agent framework with self-editing memory. Sonzai is a hosted API — no agent runtime to manage.

Zep is a memory layer with summarization. Sonzai unifies memory, personality, mood, and relationships in one API with native MCP support.