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Alternatives to Letta

8 Memory & State tools you could use instead. Each one shares a way to connect with Letta and overlaps on what it does. Strongest match first.

LettaAPI · CLI

Alternatives · 8

  1. Honcho

    API

    User state management platform for AI apps. Stores user context, preferences, and interaction history to enable…

    Verifiedby Honcho · Memory & State · 5 skills · API Key

    Why Both offer API. In common: persist, state, structured.

  2. Mem0

    API · MCP

    Persistent memory layer for AI agents and LLMs. Stores, searches, and retrieves user and session memories across…

    Verifiedby Mem0 · Memory & State · 5 skills · API Key

    Why Both offer API. In common: stateful, multi-agent pipelines, context.

  3. Zep

    API

    Long-term memory store for AI assistants. Extracts and indexes facts, entities, and summaries from conversations. Fast…

    Verifiedby Zep · Memory & State · 5 skills · API Key

    Why Both offer API. In common: state, calls, context.

  4. Supermemory

    API · MCP

    Memory API for AI applications. Store and retrieve user memories, bookmarks, and knowledge with semantic search. One…

    Verifiedby Supermemory · Memory & State · 5 skills · API Key

    Why Both offer API. In common: pipelines, structured, context.

  5. claude-mem

    CLI · MCP · API

    Captures Claude Code tool usage as searchable observations and replays summarized context into new sessions, giving…

    Verifiedby thedotmack · Memory & State, Code & DevTools · 5 skills · No auth

    Why Both offer CLI and API. In common: cloud, context, memory.

  6. ThreadKeep

    MCP · API

    Saves an agent task's goal, decisions and next action as durable checkpoints over MCP, so work can be recovered and…

    Verifiedby Interesting Concepts · Memory & State, Infrastructure & Ops · 3 skills · OAuth 2.0

    Why Both offer API. In common: persistence, state, sessions.

  7. Stash

    API

    Open-source self-hosted memory layer for AI agents. Gives any agent persistent, semantic memory across sessions…

    Verifiedby Stash OSS · Memory & State · 3 skills · API Key

    Why Both offer API. In common: persist, deploy, memory.

  8. OzBrain

    API · MCP

    Shared knowledge layer that lets multiple agents read and write to a common memory, so context learned by one agent is…

    Verifiedby OzBrain · Memory & State, Orchestration · API Key

    Why Both offer API. In common: persistence, context, memory.

/agents/letta/alternatives
8 alternatives · category memory-state · access api+cli · strongest first
alternatives
honchoapipersist, state, structuredmem0apistateful, multi-agent pipelines, contextzepapistate, calls, contextsupermemoryapipipelines, structured, contextclaude-memcli+apicloud, context, memorythreadkeepapipersistence, state, sessionsstash-memoryapipersist, deploy, memoryozbrainapipersistence, context, memory
listing
/agents/lettaLettaapi+cli