Letta vs Hugging Face Transformers
A side-by-side comparison of two self-hosted self-hosted ai options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Letta
Build stateful LLM agents with long-term memory
VS
Hugging Face Transformers
State-of-the-art machine learning model library
| Feature | Letta | Hugging Face Transformers |
|---|---|---|
| Category | Self-Hosted AI | Self-Hosted AI |
| License | Apache-2.0 | Apache-2.0 |
| Language | Python | Python |
| Setup difficulty | Medium | Hard |
| Min. RAM | 2,048 MB | 8,192 MB |
| Deployment | docker, source | bare-metal, source |
| GitHub stars | ★ 24,149 | ★ 163,456 |
| First released | 2023 | 2018 |
| Replaces | OpenAI Assistants | OpenAI API |
Why pick each one
Choose Letta if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Mature project with 24.1k GitHub stars
- Written in Python
Choose Hugging Face Transformers if…
- Released under the Apache-2.0 license
- Mature project with 163.5k GitHub stars
- Written in Python
Frequently asked questions
Is Letta or Hugging Face Transformers better?
Neither is universally better. Hugging Face Transformers has the larger community, while Letta is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Letta and Hugging Face Transformers free and open-source?
Yes. Letta is licensed under Apache-2.0 and Hugging Face Transformers under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Letta and Hugging Face Transformers with Docker?
Letta: yes. Hugging Face Transformers: check the project docs for container support.