Mem0

situational

Drop-in long-term memory layer for AI agents and apps — open-source library plus managed cloud platform.

Visit mem0.ai →Add to kit Open in Noemium

ledger entry · observed by @whysanesanders

Mem0 gives agents persistent, queryable memory without rebuilding retrieval pipelines from scratch. The open-source Python/JS SDK and Docker-based self-hosted server make it easy to prototype, and the managed platform adds analytics and graph memory. It is still a young layer; production teams need to think hard about memory accuracy, privacy, and the cost of retrieval at scale.

Strengths

Drop-in long-term memory layer for agents and apps.
Open-source Python/JS SDK plus a Docker-based self-hosted server.
Managed platform adds analytics and graph memory on top of the core.

Known limitations

Memory quality depends on the underlying LLM and embedding model; bad extractions compound over time.
Free and Starter plans have tight request limits; production scale quickly lands on the $249/mo Pro tier or Enterprise.
Self-hosted setup requires managing vector storage and auth, not a one-line drop-in for most teams.

Use it when

Agents and apps that need persistent, queryable memory without custom RAG.
Teams that want a self-hosted memory layer under their own infrastructure.

Skip it when

Memory accuracy, privacy, and retrieval cost at scale are unproven concerns.
You cannot manage vector storage and auth for a self-hosted deployment.
Tight request limits on low tiers would break your production workload.

Buy-check

·Price — freemium, Open-source library and self-hosted server are free; managed Hobby plan is free (10k add requests/mo), Starter $19/mo, Pro $249/mo, Enterprise custom. as of 2026-08-19. Open the pricing page, not a screenshot.
·Free tier — Free tier exists — burn it first.
·Cancel fallout — What happens to your data/projects on cancel — check the ToS, not the FAQ.
·Seat math — Per-seat pricing multiplies quietly. Count seats before the annual plan.
·Who skips it — Also skipped when: Memory accuracy, privacy, and retrieval cost at scale are unproven concerns.; You cannot manage vector storage and auth for a self-hosted deployment..

Price trailchangelog →

No price move in this repo yet.

Facts

pricing: freemium¹
price note: Open-source library and self-hosted server are free; managed Hobby plan is free (10k add requests/mo), Starter $19/mo, Pro $249/mo, Enterprise custom.
free tier: yes
open source: yes
api: yes
self-host: yes
category: dev-infra
evidence: source-verified
Models: BYOK