AIVM Brain vs Zep
Long-term memory for one AI agent, vs governed company memory for everyone.
Zep is a memory platform for AI agents: time-aware recall of a user's conversations and facts on a bi-temporal knowledge graph (Graphiti), and it governs that memory (ABAC, retention, audit; SOC 2, HIPAA, BYOC). AIVM Brain governs a company's shared knowledge so every person and agent only sees what they are cleared for, with a content-blind audit you can re-verify offline. Both govern memory; they differ in scope and proof: Zep governs an AGENT's memory for a developer; Brain governs a COMPANY's knowledge per person, with an audit your auditor re-checks themselves, optionally anchored on-chain.
At a glance
| AIVM Brain | Zep | |
|---|---|---|
| Core job | Governed company knowledge: per-person ACL retrieval plus proof | Agent memory: time-aware recall of a user's conversations and facts |
| Access governance | Per-user ACL pre-filter across company-wide knowledge for many people, with field-level redaction | Governs an agent's memory: ABAC, retention, and audit (SOC 2, HIPAA, BYOC) |
| Audit and proof | Content-blind audit you re-verify offline yourself, without trusting the vendor, plus an optional on-chain anchor | Platform-managed governance and audit, not a content-blind chain re-checkable offline |
| Temporal graph | Bi-temporal knowledge graph too, for as-of queries | Graphiti bi-temporal knowledge graph, a genuine core strength |
| Shape | A governed company brain many people and agents share | An open-source-core and cloud memory layer developers embed in an agent |
Why teams compare them
Zep is excellent at agent memory. Teams comparing it to Brain are usually deciding between deep, time-aware memory for a single application and a per-person governance layer over company-wide knowledge. They can even be complementary.
Two different kinds of governed memory
Both govern memory, so the difference is scope and proof. Zep gives one agent a long-term, time-aware memory of its user (what was said, what changed, what is true now) and governs it with ABAC, retention, and audit. That is a real strength for building a personalized assistant. Brain governs a different thing: a company's shared knowledge, so each person and agent only sees what they are cleared for, with an audit that is content-blind and independently verifiable offline. One governs an agent's memory for a developer; the other governs company-wide knowledge per person, with proof an auditor re-checks themselves.
Where Zep is the better fit
If you are a developer building an agent and you want deep, time-aware long-term memory of a user's interactions, with a temporal knowledge graph and clean developer ergonomics, Zep is excellent and purpose-built for exactly that. Brain is not trying to be that.
Can they work together
Often, yes. Zep can hold an agent's per-user conversational memory while Brain governs the company knowledge that agent is allowed to draw on and records every access for proof. They address different layers of the same stack.
Who each is best for
Questions, answered
Is AIVM Brain a Zep alternative?
They solve different problems that overlap on the word memory. Zep is long-term memory for an AI agent; Brain is governed company memory across many people, with per-user access and a verifiable audit. For company-wide governance and proof, Brain; for one agent's time-aware user memory, Zep.
Does Brain have a temporal graph too?
Yes. Brain's knowledge graph is bi-temporal, so as-of queries (what did the brain know on a date) are answerable. Zep's Graphiti temporal graph is a core strength of its memory product; the two emphasize different jobs around that shared idea.
Can I use both?
Yes. Let Zep hold an agent's per-user memory and let Brain govern the company knowledge the agent draws on, with every access access-filtered and recorded.