Best free Memori alternatives

Looking for a free alternative to Memori? Here are 9 agent memory & rag-as-a-service worth trying — 9 with a free tier. Memori itself is free tier + paid.

ToolMemori (you searched)RAGFlowMemOSMem0
Pricingfreemiumfreefreefreemium
Best forLLM-agnostic memory layer that captures agent context as structured stateOpen-source RAG engine with deep document parsing and agent workflowsMemory operating system for LLM agents with hybrid retrieval and persistent memoryFree Hobby tier: unlimited end users, 10K add / 1K retrieval requests/month
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Memori alternatives — straight answers

What is the best free alternative to Memori?

RAGFlow is the closest free alternative to Memori: same Agent Memory & RAG-as-a-Service sub-category, and it is free. Open-source RAG engine with deep document parsing and agent workflows

Are there free Memori alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: RAGFlow, MemOS, Mem0, Zep, Supermemory. None of them are paid-only.

Is Memori free?

Memori is free tier + paid. There is a free tier you can work in, with paid plans above it.

How were these Memori alternatives chosen?

They are the other tools in Agent Memory & RAG-as-a-Service, then the rest of AI Agents & Automation, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

RAGFlow

Agent Memory & RAG-as-a-Service
free

✦ WhyA Memori alternative — Open-source RAG engine with deep document parsing and agent workflows.

  • 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

MemOS

Agent Memory & RAG-as-a-Service
free

✦ WhyA Memori alternative — Memory operating system for LLM agents with hybrid retrieval and persistent memory.

  • Memory operating system for LLM agents with hybrid retrieval and persistent memory
  • Open source and self-hostable, with a cloud option
  • Built for multi-agent and personal assistants
  • Backed by MemTensor, a Shanghai team

Mem0

Agent Memory & RAG-as-a-Service
freemium

✦ WhyA Memori alternative — Free Hobby tier: unlimited end users, 10K add / 1K retrieval requests/month.

  • 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

Zep

Agent Memory & RAG-as-a-Service
freemium

✦ WhyA Memori alternative — Free plan: 10,000 monthly credits, 2 projects, 200ms retrieval.

  • 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

Supermemory

Agent Memory & RAG-as-a-Service
freemium

✦ WhyA Memori alternative — Free monthly usage allowance plus a Supermemory MCP server.

  • 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

Letta

Agent Memory & RAG-as-a-Service
freemium

✦ WhyA Memori alternative — Free BYOK plan supporting up to 3 stateful agents.

  • 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

LightRAG

Agent Memory & RAG-as-a-Service
free

✦ WhyA Memori alternative — Simple, fast graph-based RAG from HKU Data Science lab (EMNLP 2025).

  • Simple, fast graph-based RAG from HKU Data Science lab (EMNLP 2025)
  • Combines knowledge-graph and vector retrieval
  • Works with local or hosted LLMs

Cognee

Agent Memory & RAG-as-a-Service
free

✦ WhyA Memori alternative — Open-source memory platform that turns data into a knowledge graph plus vectors for agents.

  • 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

Graphiti

Agent Memory & RAG-as-a-Service
free

✦ WhyA Memori alternative — Framework for building real-time temporal knowledge graphs for AI agents.

  • Framework for building real-time temporal knowledge graphs for AI agents
  • Powers Zep's memory layer; runs standalone
  • Open source, works with Neo4j and other graph DBs

Memori head-to-head