#1 in AI Development PlatformsUpdated 2026-08

Mem0

by Mem0 · Hosted memory layer for AI agents, with Python and Node SDKs

84.6 — BenchRank score out of 100

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Overview

Mem0 is a hosted memory layer for AI agents and apps. Client SDKs for Python and Node send conversation messages to its API, which extracts and updates memories and returns relevant ones on search by user ID. Plans are metered by add and retrieval requests per month; on-premises deployment is offered on the Enterprise tier.

Best for: Developer teams adding persistent memory to AI agents through a hosted API, with a free tier
Pricing: Free Hobby tier, then $19/month (Starter) and $249/month (Pro), with custom Enterprise pricing; annual rates are not shown.
Runs on: WebSelf-hostedCLI

Strengths and trade-offs

Strengths

Free tier: 10,000 add and 1,000 retrieval requests a month
Unlimited end users on every plan, including the free one
Python and Node SDKs; add and search memories by user ID
SOC 2 (Type 1) and HIPAA compliance stated

Trade-offs

Retrieval limits are low: 1,000/month free, 5,000 on the $19 Starter
Large gap between the $19 Starter and the $249 Pro plan
Graph memory, analytics and multiproject support start at Pro
On-prem, audit logs and SSO require an Enterprise contract

Pricing

Published plans from Mem0’s own pricing page, in USD. Usage charges and add-ons may apply on top.

Mem0 pricing tiers, monthly rates in USD
Plan	Monthly	Includes
Hobby	—per account	10,000 add requests/month 1,000 retrieval requests/month 1 project, unlimited end users Community support
Starter	$19per account	50,000 add requests/month 5,000 retrieval requests/month 1 project, unlimited end users Community support
Pro	$249per account	500,000 add and 50,000 retrieval requests/month Unlimited projects, multiproject support Graph memory (entity linking), advanced analytics Private Slack support
Enterprise	Contact sales	Unlimited add and retrieval requests On-prem deployment and audit logs Custom integrations and SSO Private Slack support with SLA

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 92 out of 100
API quality: 65 out of 100
Documentation: 100 out of 100
Agent friendliness: 80 out of 100
Pricing transparency: 100 out of 100
Changelog: 100 out of 100
Marketing site structure: 60 out of 100
Operational trust: 75 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 85 out of 100
Maintenance: 100 out of 100

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