What is Letta?
Open-source framework and platform, from the creators of MemGPT, for building agents that learn and remember over time.
Letta is listed in the AI Agents & Automation category of ZORGO AI's AI tools directory, where it ranks #41 of 86 AI agents.
Letta key features
- Long-term memory
- Agent development environment
- Open source
- API
What can you use Letta for?
- Personal assistants
- Customer agents
- Research agents
- Companions
Letta pricing
Letta has a free plan, with paid plans that unlock more features and higher usage limits.
Prices change often — always confirm the latest plans on the official Letta website.
Best Letta alternatives
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1
n8nFreemium
Workflow automation & AI agents, self-hostable
-
2
ZapierFreemium
Automate work across 8,000+ apps
-
3
ManusFreemium
General AI agent that finishes tasks
-
4
FirecrawlFreemium
Web data API for AI agents
-
5
Smith.aiPaid
AI receptionists plus live agents
-
6
Browser UseFreemium
Make websites accessible to AI agents
Letta FAQ
Is Letta free?
Partly. Letta has a free plan, with paid plans that unlock more features and higher usage limits.
What is Letta used for?
People mainly use Letta for personal assistants, customer agents, research agents and companions. Open-source framework and platform, from the creators of MemGPT, for building agents that learn and remember over time.
What are the best Letta alternatives?
Popular Letta alternatives include n8n, Zapier and Manus. See all 86 AI agents ranked on our Best AI Agents & Automation Tools (2027) list.