
MemMachine
Open-source memory layer for AI agents that learn across sessions.
At a glance
Free + paid · Source review 2026-11-04- Price & billing
Open Source $0 forever, self-hosted on your own infrastructure; Pro $79 per month billed per project with managed cloud hosting, higher rate limits and premium integrations; Enterprise is custom. The Pro amount is a page observation in $ without a named currency, so no paid-tier charge fact is recorded.
- Free allowance
Not separately confirmed. Check the current plan before relying on a free allowance.
- Best suited to
Agent builders who want persistent memory across sessions, agents and models, with profile memory that improves personalisation over time.; Developers building locally who want a self-hosted open-source memory layer before paying for managed cloud hosting.; Teams building production agents who need higher rate limits, premium integrations and managed hosting on the Pro plan.
Fit is editorial guidance, not a measured result.- Platforms
Access: not separately verified. Operating systems not separately verified.
Published-source facts and editorial guidance. No product test is implied. Confirm current conditions before purchase.
No product screenshot is claimed for this listing. Use the official website ↗ to inspect the current interface.
What to know before choosing
Good fit
Agent builders who want persistent memory across sessions, agents and models, with profile memory that improves personalisation over time.; Developers building locally who want a self-hosted open-source memory layer before paying for managed cloud hosting.; Teams building production agents who need higher rate limits, premium integrations and managed hosting on the Pro plan.
Limits and trade-offs
Teams that expect managed cloud hosting, higher rate limits and premium integrations on the Open Source plan, since those are Pro features and Open Source is self-hosted.; Organisations that need on-premise or VPC deployment, custom SLAs and SSO on Pro, since those belong to the Enterprise plan.; Users looking for a ready-made consumer chatbot, since MemMachine is a memory layer for agents built by developers.
Plans and free allowances
Open Source $0 forever, self-hosted on your own infrastructure; Pro $79 per month billed per project with managed cloud hosting, higher rate limits and premium integrations; Enterprise is custom. The Pro amount is a page observation in $ without a named currency, so no paid-tier charge fact is recorded.
Evidence
Official homepage ↗ (reviewed 2026-11-04), Official pricing page ↗ (reviewed 2026-11-04)
Official published documentation reviewed; not a product test
Dates: Last reviewed 2026-11-04. Last reviewed is the latest source or editorial review date; it is not a content-change date.
A closer look at MemMachine
MemMachine is an open-source, multi-layered memory system for AI agents: it stores, recalls and builds an evolving user profile across sessions, agents and large language models, so chatbots become personalised and context-aware instead of starting over each time.
Editorial guidance based on published documentation. The workflow below is a suggested starting point, not a measured product result.
When to choose MemMachine
- Agent builders who want persistent memory across sessions, agents and models, with profile memory that improves personalisation over time.
- Developers building locally who want a self-hosted open-source memory layer before paying for managed cloud hosting.
- Teams building production agents who need higher rate limits, premium integrations and managed hosting on the Pro plan.
When to choose something else
- Teams that expect managed cloud hosting, higher rate limits and premium integrations on the Open Source plan, since those are Pro features and Open Source is self-hosted.
- Organisations that need on-premise or VPC deployment, custom SLAs and SSO on Pro, since those belong to the Enterprise plan.
- Users looking for a ready-made consumer chatbot, since MemMachine is a memory layer for agents built by developers.
A practical starting workflow
- Start building locally with the open-source version, self-hosted on your own infrastructure.
- Connect MemMachine to your agent so it stores and retrieves profile memory across sessions.
- Move to managed cloud hosting on Pro when you need higher rate limits and premium integrations.
Check before committing
- The pricing page offers a sandbox test drive for free, but the text read does not state a separate sandbox quota, so no sandbox allowance is recorded.
- Open Source is described as self-hosted; running it yourself still needs your own infrastructure, which the pricing page does not cost.
Common questions
What is MemMachine?
An open-source, multi-layered memory system for AI agents that allows agents to learn, store and recall data and preferences from past sessions.
What does the Open Source plan include?
Self-hosted deployment on your own infrastructure, all memory types, core integrations and community support, at $0 forever.
What does Pro add?
Everything in Open Source, plus managed cloud hosting, higher rate limits, premium integrations and email and chat support.
Compare approaches for this task
- Mem0 — Developers building agents or apps that must remember user preferences and past facts across sessions instead of starting each conversation blank.; Teams that want memory as infrastructure, with add and search calls from an SDK rather than building their own store and retrieval layer.; Builders testing memory features first, since the pricing page describes a Free plan for developers building and testing with Mem0.
- MemoryLake — People and teams whose memory must work across many AIs and agents instead of being locked inside one chat product.; Claude Code and Codex users who want to install memory once and keep the same memory in the terminal.; Teams that want to meter memory use by token and pay on demand beyond a plan, rather than buying seats.
Sources and checks
Last source review is not a date of product testing. No rating or test result is implied by inclusion. Check the current plan and terms before buying.