ZM
Zep Memory
Zep is an AI agent memory platform that provides end-to-end context engineering for building intelligent agents.
Our verdict
Who it's for
Build personalized, fast, and reliable AI agents with comprehensive, evolving memory.
Who should look elsewhere
No explicit free tier mentioned, suggesting it's a paid solution.
Pros
- +Significantly improves AI agent accuracy and personalization by providing rich, evolving context.
- +Reduces inference costs and response latency by delivering token-efficient and relevant context.
- +Integrates diverse data sources (chat, business data, user behavior) into a single knowledge graph.
- +Designed for real-time applications with extremely low retrieval latency (<200ms).
- +Supports custom graph ontologies for domain-specific memory and improved relevance.
Cons
- −No explicit free tier mentioned, suggesting it's a paid solution.
- −Requires integration and setup to connect various data sources.
- −Complexity of managing and defining custom graph ontologies might require some expertise.
Key features
- ✓End-to-End Context Engineering
- ✓Temporal Knowledge Graph Construction with Fact Invalidation
- ✓Unified Data Ingestion (Chat, Documents, JSON, CRM, App Events)
- ✓Sub-200ms P95 Retrieval Latency
- ✓Customizable Context Blocks for LLMs
- ✓Persistent Context with Provenance Tracking
- ✓Custom Graph Ontologies (Pydantic, Zod)
- ✓Entity Extraction and Relationship Building
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | — | month | 1,000 episodes a month; Low rate limits; Lower priority episode processing |
| Flex | $25 | month | 20,000 credits included; Auto-topup at 20% (+20,000); 600 requests per minute |
| Flex Plus | $475 | month | 300,000 credits included; Auto-topup at 20% (+100,000); 1,000 requests per minute |
| Enterprise | — | month | SOC 2 Type II certification & HIPAA BAA; Custom limits & guaranteed rate limits; Slack support & dedicated account manager |