#1
MBest memory layer for agents
Short answer: start with Mem0 — Memory layer for AI agents. Strong alternatives: Letta.
Updated Oct 13, 2026 · How we rank
Editorial v0 order for "Best memory layer for agents". Not benchmarked yet — scores will be published per the methodology once tested.
Ranked, not sold.
The ranking
2 tools
- #2L
Platform for stateful agents with long-term memory (formerly MemGPT).
Agent memoryopen-source
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Comparison table
| Rank | Tool | Pricing model | Integrations | Self-hostable | Last verified |
|---|---|---|---|---|---|
| 1 | Mem0 | open-source | API, MCP | Yes | Oct 14, 2026 |
| 2 | Letta | open-source | API | Yes | Oct 14, 2026 |
Head-to-head comparisons
FAQ
How is this ranking made?
By the published methodology: an independent editorial v0 ordering, not yet benchmarked. Rankings never change because a program pays.