Updated April 2026
Zep is a developer infrastructure product that provides a temporal knowledge graph for AI applications. It automatically extracts entities from conversations and tracks how facts change over time. It is designed for developers building AI products that need structured memory with graph-based querying. Alma is a complete product: web app, chat interface, Soul Engine, video, music, and persistent memory ready to use without writing code.
| Feature | Zep | Alma |
|---|---|---|
| Target user | Developers building AI apps | End users + developers |
| Memory model | Temporal knowledge graph with entity extraction | 3-layer: memories + episodes + procedures |
| Web app / Chat | No — API and dashboard only | Yes — full chat with streaming, tools, file attachments |
| AI identity | No | Soul Engine (structured personality blocks) |
| Temporal awareness | Built-in — tracks fact changes over time | Episodes + memory timestamps + importance decay |
| Creative tools | None | Video Studio, Music Studio, Image Studio, Code workspace |
| Setup complexity | Complex — requires graph DB knowledge | Sign up and chat — works immediately |
| Pricing | Enterprise (custom pricing) | Free tier / Pro from $19/mo |
If you want to use AI memory without infrastructure management, Alma is ready immediately. If you need a complete product with chat, creative tools, and an affordable subscription, Alma covers all of it in one plan.
If you are building an enterprise AI application that needs temporal knowledge graph capabilities and you have engineering resources to integrate a developer API, Zep provides specialized graph-based memory infrastructure.