Mem0

Long-term memory layer that lets AI assistants and agents keep user context across sessions.

Infrastructure by Mem0

IndexedApache-2.0★ 67,748

Install

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pip install mem0ai

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About

Mem0 gives AI assistants and agents long-term memory that stores facts about users and recalls them in later sessions. The open-source version can run as a library or Docker stack on your own servers, and a managed platform is sold on tiered and usage-based plans.

Use cases: agent-memory

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Fact sheet

Category: Memory · memory layer
Self-host: Yesdocs.mem0.ai
Open source: Yesdocs.mem0.ai
Works with: langchain, crewai, llamaindex, vercel-ai-sdkdocs.mem0.ai

Plans

Hobby	$0	10,000 add and 1,000 retrieval requests/month, 1 project
Starter	$19/month	50,000 add and 5,000 retrieval requests/month, 1 project
Pro	$249/month	500,000 add and 50,000 retrieval requests/month, unlimited projects, graph memory
Enterprise	Contact sales	custom; unlimited requests, SLA support, on-prem deployment

From the vendor's pricing page, read Oct 24, 2026.

Facts read from the vendor's own pages by claude-haiku-5-5 on Oct 24, 2026; a fact is shown only with the page it came from.

Signals

Stars: 67,748
Forks: 8,007
Open issues: 418
Last commit: Oct 23, 2026 (4 days ago)
Last release: Sep 25, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026).

Details

Packages: pypi mem0ainpm mem0ai
License: Apache-2.0
Repository: github.com/mem0ai/mem0
Website: mem0.ai
Docs: docs.mem0.ai
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: README Website Pricing page Docs github-graphql