Mem0
Mem0 Starter
Agent memory API with 50,000 add requests and 5,000 retrieval requests a month for $19; adds (ingestion) are capped separately, and graph memory needs the $249 Pro plan. $19 per month / 5,000 retrieval requests x 1,000 = $3.80 per 1K queries (Pro: $249 / 50,000 = $4.98).
USD per 1K queries
$3.80
#3 cheapest of 4 in RAG & memory services
Official pricing ↗Capabilities, explained
What this API can do, and what each capability means for your project.
Type
memory
Document question-answering (RAG), per-user agent memory, or both.
Generates answers
No
Returns a written answer with citations, not only the matching passages.
Data connectors
No
Can pull documents directly from tools like Google Drive, Notion or Slack.
Open source / self-hostable
Yes
You can run it on your own infrastructure.
Free tier
Yes
A permanent free plan exists.
Price history
Only one price recorded so far. The chart appears once the price changes.