Our verdict
A solid, actively developed project. This assessment is derived from GitHub's own repository metrics on 2026-08-24, not from hands-on testing.
Mem0 is universal memory layer for AI Agents, built in Python. It has 63,962 stars and 399 contributors, and it was pushed to within the last few weeks. The Apache-2.0 licence puts no real constraint on commercial use. The most recent tagged release is v2.0.19, from 2026-08-24. Figures come from the GitHub API on 2026-08-26 and refresh daily.
Reviewed by AI Review Rating from GitHub API data How we score
Repository
- Licence
- Apache-2.0
- Language
- Python
- Last push
- 2026-08-24
Releases
-
v2.0.19Mem0 Python SDK (v2.0.19) -
vercel-ai-v3.0.2Vercel AI SDK Provider (v3.0.2) -
ts-v3.1.7Mem0 Node SDK (v3.1.7) -
pi-agent-v0.1.5Mem0 Pi Agent Plugin (v0.1.5) -
openclaw-v1.0.16Mem0 OpenClaw Plugin (v1.0.16) -
n8n-nodes-mem0-v0.1.4Mem0 n8n Integration (v0.1.4)
Pros and cons
Pros
Cons
Pricing
- Free tierYes
- LicenceApache-2.0
- Self-hostYes, source is public
- Public price listNot published
Mem0 does not publish a web price list. For consumer apps that usually means pricing appears inside the product; for enterprise tools it means talking to sales. Why we do this
Visit mem0.aiChangelog
On video
What users actually say
- Summary of My Mem0 Experience Reddit · 2025
- Mem0 sufficient for memory layer? Reddit · 2026
- How does mem0 work? Reddit · 2025
- Is Mem0 Really SOTA in Agent Memory? Reddit · 2025
- Woah. Letta vs Mem0. (For AI memory nerds) Reddit · 2025
We link to discussions rather than reproducing them. Opinions belong to their authors.
User reviews
No one has reviewed Mem0 here yet. Reviews are moderated before they appear, and our own score is editorial and separate from user ratings, though once reviews land they do lift it.
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Side by side
| Tool | Our score | From | Free tier | Best for | |
|---|---|---|---|---|---|
| Mem0 this page | 7.3 | - | Yes | ||
| 🥇LangChain | 8.4 | $1 | Yes | ||
| 🥈DocsBot | 8.3 | - | Yes | ||
| 🥉ECC | 8.1 | - | Yes | ||
| Browser Use | 8.0 | - | Yes | ||
| Claude Mem | 7.8 | - | Yes | ||
| Langflow | 7.8 | - | Yes |
Questions
Is Mem0 free?
Yes. Mem0 advertises a free tier on its own site.
How much does Mem0 cost?
Mem0 does not publish pricing openly, which usually means it is quote-based. You will need to contact the vendor.
Is Mem0 open source?
Yes. Mem0 is a public repository released under Apache-2.0. You can self-host or inspect the source directly.
How is Mem0 scored here?
Mem0 scores 7.3 out of 10. That comes from a desk review of public evidence, which is capped at 8.5 out of 10: public pricing, documentation, maintenance signals and how much we could actually verify. Affiliate relationships are excluded from scoring entirely. The full rubric is published on our methodology page.