Index live · v1.7.0 · SEP 12 2026

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Mem0

A memory layer that extracts and recalls durable facts across sessions.

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Why it's indexed

Extracts what is worth remembering rather than replaying transcripts, which is what keeps context small.

Editorial judgement, not a measurement — see our methodology. Listing is never paid for.

At a glance

Vendor: Mem0
Category: Memory & State
License: Apache-2.0
Deployment: Hybrid
Languages: Python, TypeScript
Pricing model: Open source · Free tier · Usage-based

Pricing is shown as a model, not a rate. Published rates change without notice — check the vendor's own page before budgeting.

Tags

memorypersonalizationvectorrecall

Also in Memory & State

Zep

Temporal knowledge graph memory that tracks how facts change over time.

Letta

Stateful agent runtime with self-editing memory, from the MemGPT research.