Agent Memory & RAG-as-a-Servicefreemium

Zep

Free plan: 10,000 monthly credits, 2 projects, 200ms retrieval

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What Zep does

  • Free plan: 10,000 monthly credits, 2 projects, 200ms retrieval
  • Graph RAG with automated context assembly from chat + business data
  • Temporal knowledge graph for tracking how facts change over time

Zep — straight answers

What is Zep?

Zep is listed under Agent Memory & RAG-as-a-Service, in the AI Agents & Automation category on Flocci AI Tools. Free plan: 10,000 monthly credits, 2 projects, 200ms retrieval. It is freemium — a usable free tier with paid plans above it, and it lives at getzep.com.

Is Zep free?

Zep is freemium: there is a free tier you can work in and paid plans above it. It is one of 426 freemium tools in the catalog, all labelled the same way so you are never surprised by a paywall.

Can I use Zep in a browser, or is there an app?

Zep works in a normal browser tab with no install. It is available on the web and an API.

What can Zep do?

Zep does 3 things the catalog singles out: Free plan: 10,000 monthly credits, 2 projects, 200ms retrieval; graph rag with automated context assembly from chat + business data; temporal knowledge graph for tracking how facts change over time.

What is the best free alternative to Zep?

MemOS is the closest free alternative: it sits in the same Agent Memory & RAG-as-a-Service sub-category and is free. RAGFlow, Basic Memory and Cognee also start free. The full list is on the alternatives page.

See the full list →

Zep alternatives

Compare all alternatives →

Mem0

Agent Memory & RAG-as-a-Service
freemium
  • Free Hobby tier: unlimited end users, 10K add / 1K retrieval requests/month
  • Graph memory and entity linking for agent context
  • Open-source core plus managed cloud API
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Supermemory

Agent Memory & RAG-as-a-Service
freemium
  • Free monthly usage allowance plus a Supermemory MCP server
  • Native connectors for Google Drive, Notion, OneDrive as memory sources
  • Deduplication so repeated content isn't rebilled
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Letta

Agent Memory & RAG-as-a-Service
freemium
  • Free BYOK plan supporting up to 3 stateful agents
  • Stateful-agent runtime with persistent memory, desktop app, CLI and API
  • Open-source framework (formerly MemGPT) plus a managed cloud
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RAGFlow

Agent Memory & RAG-as-a-Service
freeNew
  • Open-source RAG engine with deep document parsing and agent workflows
  • Grounded citations and template-based chunking
  • Self-host with Docker; bring your own LLM
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LightRAG

Agent Memory & RAG-as-a-Service
freeNew
  • Simple, fast graph-based RAG from HKU Data Science lab (EMNLP 2025)
  • Combines knowledge-graph and vector retrieval
  • Works with local or hosted LLMs
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Cognee

Agent Memory & RAG-as-a-Service
freeNew
  • Open-source memory platform that turns data into a knowledge graph plus vectors for agents
  • Python API with pluggable graph, vector and relational stores
  • Self-host free; cloud option exists
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Head-to-head comparisons

Zep vs Mem0Zep vs SupermemoryZep vs LettaZep vs RAGFlowZep vs LightRAGZep vs Cognee