letta vs hermes-agent
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| letta | hermes-agent | |
|---|---|---|
| Tagline | Platform for stateful agents with advanced memory and self-improvement capabilities. | The self-improving AI agent built by Nous Research |
| Stars | 24k | 211k |
| Forks | 2.5k | 39k |
| Open issues | 48 | 27k |
| Language | Python | Python |
| License | Apache-2.0 | MIT |
| Last pushed | Jul 3, 2026 | Jul 7, 2026 |
| Categories | AI Agents | AI Agents |
letta
Letta is a platform designed to build AI agents that can operate in a persistent, memory-rich environment, enabling them to learn from past interactions and improve over time. It supports both local execution via CLI tools and integration into applications using the SDK. Agents can run on Letta's server or self-hosted infrastructure.
Python
hermes-agent
Hermes Agent is an AI agent designed to learn from experience, improve over time, and adapt to the user's needs. It supports various deployment options and multiple AI models.
Python