Letta Alternatives
Framework for building stateful AI agents with persistent memory, formerly MemGPT
Letta, formerly MemGPT, is a platform for building AI agents with persistent memory.
Explore 26 alternatives to Letta across 1 category. Each tool listed below shares at least one category with Letta.
Top Letta alternatives at a glance
- AG2. Community-driven multi-agent framework forked from AutoGen with backward-compatible API
- AgentOps. Build compliant AI agents with observability, evals, and replay analytics.
- AutoGen. Microsoft's framework for building multi-agent AI applications with event-driven messaging
- Browserbase. Cloud browser infrastructure for AI agents with stealth mode, proxies, and session management
- Composio. Tool integration platform connecting AI agents to 1,000+ apps with managed auth and execution
🕵️♀️ Agents
Dust
The operating system for AI agents
Fixie
The fastest way to build conversational AI agents
Google ADK
Open-source agent development kit from Google for building multi-agent systems
Mastra
TypeScript-first AI framework for building agents, RAG pipelines, and workflows
Superagent
Prototype and deploy agents powered by large language models.
Frequently asked questions
What are the best alternatives to Letta?
Based on category overlap and popularity, the top alternatives to Letta include: AG2 (Community-driven multi-agent framework forked from AutoGen with backward-comp...); AgentOps (Build compliant AI agents with observability, evals, and replay analytics. ); AutoGen (Microsoft's framework for building multi-agent AI applications with event-dri...); Browserbase (Cloud browser infrastructure for AI agents with stealth mode, proxies, and se...); Composio (Tool integration platform connecting AI agents to 1,000+ apps with managed au...). See all 26 alternatives compared on this page.
Is there a free alternative to Letta?
Yes. 16 alternatives to Letta offer a free tier or free trial: AgentOps, Browserbase, Composio, Dust, E2B, Fixie, and more. Use the comparison above to find the best fit for your use case.
Are there open-source alternatives to Letta?
Yes. 19 open-source alternatives to Letta are listed here: AG2, AutoGen, Composio, CrewAI, Dust, E2B, and more. Open-source tools can be self-hosted for full control over data and infrastructure.
What is Letta?
Letta, formerly MemGPT, is a platform for building AI agents with persistent memory. Originating from UC Berkeley research, it implements an OS-inspired memory architecture where agents manage core memory (in-context, like RAM) and archival memory (external storage, like disk). This lets agents l... See 26 alternatives to Letta across 1 category.
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