Alternatives to Smfs
30 tools that compete with or replace Smfs. Ranked by direct product-type match — not generic category overlap.
What is the best Smfs alternative?
The best Smfs alternative today is Letta because it is a safe bet on our live viability checks and AI engines read it more than any other option here; it also has a free tier.
Ranked on live viability checks, real-user mentions and how often AI engines read each tool — never pay-for-placement.
Why people look for alternatives to Smfs
The complaints that come up most often in public discussion — reviews, forums and community threads. Not our opinion, and not the vendor's marketing.
- Sparse community feedback and barely any real-world usage reported.
- CLI-only, no GUI; daunting for non-terminal users.
- Setup requires NFS/FUSE configuration, a hurdle for some.
- Dependency on Supermemory cloud; offline writes may be queued indefinitely
Drawn from 26 mentions across 3 sources · researched Aug 31, 2026.
In fairness: users also consistently praise pioneering filesystem approach to memory management for ai agents, and impressive benchmark results: 66% token savings for claude, 43% for codex. A complaint list is not a verdict — see the full picture on the Smfs page.
Letta
Letta builds stateful AI agents with persistent memory that survives sessions, model swaps, and machines.
LanceDB
LanceDB is an open-source multimodal lakehouse for vector search, curation, and training on one Lance table.
Personal AI
Carrier-native AI memory platform: every SIM becomes a persistent agent with its own billable identity.
Archil
Archil mounts S3, GCS, or NFS live as a POSIX filesystem so AI agents get durable disks, sandboxes, and serverless tool calls.
Greywall
Greywall sandboxes local CLI coding agents on Linux and macOS with a live feed of every file read, write, and outbound connection.
Unabyss
Unabyss gives every AI agent one live MCP memory built from Slack, Gmail, Notion and GitHub — so you stop re-explaining yourself.
Cognee
Cognee gives AI agents persistent knowledge-graph memory with cited recall across sessions, teams, and tools.
Mem0
Mem0 is an AI memory layer that gives agents persistent context across sessions, users and apps
Vectorize
Agent memory that learns from failed tool calls and user corrections, not just stores facts
Zep Memory
Build governed AI agent memory with Zep's temporal context graph and dated, traceable facts
E2B
E2B gives AI agents isolated Linux sandboxes to execute code, process data, and run tools safely.
MemoryLake
MemoryLake is portable AI memory for ChatGPT, Claude, Codex and Gemini — encrypted, exportable, and shared across every agent you run.
Memvid
Memvid is single-file AI agent memory: hybrid BM25 + vector search in one portable .mv2 file, no vector DB.
Egregore
Shared memory for Claude Code teams—decisions, handoffs, and context persist across sessions and people.
DataGrout
DataGrout is an operating layer for production AI agents: persistent memory, real-time cost control, and cryptographic receipts for every action.
Cavemem
Cavemem: local-first MCP memory that compresses coding-agent context into recoverable handles
Hebbrix
Hebbrix is outcome-weighted persistent memory for AI agents — it recalls what actually worked, not what merely sounds related.
Agentmemory
Agentmemory gives coding agents shared, local memory across Claude Code, Cursor, Codex and 22 other agents.
Statewave
Open-source, self-hosted AI agent memory runtime with governance policies and tamper-evident audit receipts.
pumaDB
Hosted MCP and REST memory that keeps AI agent context consistent across ChatGPT, Claude, Codex, and your own agents.
Containarium
Open-source agent runtime giving each AI agent a persistent, network-isolated Linux box over SSH on Kubernetes or LXC.
Mentedb
Long-term memory for AI agents: one process_turn call stores each turn and returns the memories your next prompt needs.
Versuno AI
Open-source Postgres memory engine for AI agents that sends memory conflicts to a human instead of overwriting them.
Agent Kernel
Three markdown files that give any AI coding agent persistent memory between sessions — no framework, no database, just git.
YourMemory
Local-first persistent memory for AI agents with a forgetting curve, open source and MCP-compatible.
Mengram
Mengram is a self-hostable AI memory API that gives Claude, Cursor, Codex and ChatGPT one shared memory graph.
Atomicmemory
AtomicMemory is a self-hosted, auditable AI agent memory engine with deterministic replay.
Octopoda
Persistent memory for Python AI agents, with versioning, shared memory across agent teams, and loop detection that pauses runaway agents before the token bill
Roampal
Local-first memory layer for Claude Code and OpenCode that scores memories by whether they actually worked.
Automem
Open-source MCP memory layer that gives AI agents a graph plus vector store so recall carries relationships, not just similar text.
Smfs alternatives compared
| Tool | Pricing type | Starting price | Free tier | Last verified | Viability |
|---|---|---|---|---|---|
| Smfs | Freemium | Usage-based | Yes | Moderate | |
| Letta | Freemium | $20/mo | Yes | Safe bet | |
| LanceDB | Freemium | Custom pricing | Yes | Safe bet | |
| Personal AI | Contact Sales | Custom pricing | No | Safe bet | |
| Archil | Freemium | $10/mo | Yes | Safe bet | |
| Greywall | Freemium | Custom pricing | Yes | Safe bet | |
| Unabyss | Freemium | $13/mo billed annually | Yes | Safe bet | |
| Cognee | Freemium | $1/1M tokens | Yes | Safe bet | |
| Mem0 | Freemium | Custom pricing | Yes | Safe bet |
First row is Smfs itself. Starting price is the cheapest paid plan on each vendor's published pricing; viability is our band, not a score.
Is there a cheaper alternative to Smfs?
Smfs does not publish a fixed monthly price we can compare against, so we do not name a cheaper option; the table shows each alternative's starting price.
Which Smfs alternative is free?
Letta has a free tier on its published pricing and is also our top pick. Free tiers change often; the "Last verified" column shows when we last checked each one.
Is Smfs still active?
Yes. Smfs is live and its listing was verified on 23 Oct 2026.
Frequently asked questions
What is the best Smfs alternative?
The best Smfs alternative today is Letta because it is a safe bet on our live viability checks and AI engines read it more than any other option here; it also has a free tier.
Is there a cheaper alternative to Smfs?
Smfs does not publish a fixed monthly price we can compare against, so we do not name a cheaper option; the table shows each alternative's starting price.
Which Smfs alternative is free?
Letta has a free tier on its published pricing and is also our top pick. Free tiers change often; the "Last verified" column shows when we last checked each one.
Is Smfs still active?
Yes. Smfs is live and its listing was verified on 23 Oct 2026.
What are the best alternatives to Smfs?
We currently list 30 alternatives to Smfs: Letta, LanceDB, Personal AI, Archil, Greywall. Each is ranked by direct product-type match rather than generic category overlap.
How do you choose which Smfs alternatives to show?
Alternatives are ranked by direct product-type match — tools that do the same job — not by shared category tags. Every listed tool is independently re-verified on a continuous cycle.
How this page is made: a human editor decides what is published. Drafts are proposed by a mixture of models (Claude Opus 4.5, GPT Codex and DeepSeek’s strongest models) working from our own verified data — live site checks, current pricing and the public sentiment we gather from Reddit, Product Hunt, G2 and community forums — and the editor keeps, corrects or strikes each line. Nothing here is pay-for-placement. Read the full methodology.