Atomic Agents vs Letta
Atomic AgentsLead Magnet Platforms
Free (OSS)Published price
LettaAutonomous Agents Platforms
Free / Open SourcePublished price
Atomic Agents Lead Magnet Platforms Lightweight Python framework for building modular, predictable, production-ready AI agents using Pydantic. | Letta Autonomous Agents Platforms Making machines that learn | |
|---|---|---|
| Overview | ||
| Category | Lead Magnet Platforms | Autonomous Agents Platforms |
| What it is | Lightweight Python framework for building modular, predictable, production-ready AI agents using Pydantic. | Stateful AI agent framework formerly MemGPT, enabling agents with persistent memory and self-editing context for long-running tasks. |
| Pricing | ||
| Published price | Free (OSS) A no-cost or open-source edition is publicly available. No reliable current numeric price for a paid plan was verified, so paid or enterprise pricing requires vendor confirmation. | Free / Open Source Letta is available without a paid public list price. No nonzero vendor price was found; free access is represented as a free plan rather than a $0 headline. |
| Pricing model | Not available | Tiered plans |
| Free options | Free plan · No free trial | Free plan · Free trial |
| Deal on Cubbie | None right now | None right now |
| Company | ||
| Founded | 2024 | 2023 |
| Team size | 2-10 employees | 11-50 employees |
| Headquarters | Ghent, Belgium | Berkeley, CA |