Aphrodite Engine vs One API
A side-by-side comparison of two self-hosted local llm runners options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Aphrodite Engine | One API |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 85 · Excellent | 61 · Good |
| Category | Local LLM Runners | Local LLM Runners |
| License | AGPL-3.0 | MIT |
| Language | Python | Go |
| Setup difficulty | Hard | Medium |
| Min. RAM | 8,192 MB | 256 MB |
| Deployment | docker, source | docker, binary |
| GitHub stars | ★ 1,866 | ★ 37,009 |
| First released | 2023 | 2023 |
| Replaces | OpenAI API | OpenAI API, OpenRouter |
What are Aphrodite Engine and One API?
Aphrodite Engine
Aphrodite Engine is the official backend serving engine for PygmalionAI, optimized for high-throughput LLM inference. It exposes an OpenAI-compatible API and supports a wide range of quantization formats.
- High-throughput batching
- OpenAI-compatible endpoints
- Many quantization formats
- Continuous batching
One API
One API is an LLM API management and distribution system that exposes a single OpenAI-compatible endpoint while routing to many upstream providers. It adds key management, channel load balancing, usage tracking and multi-user billing.
- Unified OpenAI-compatible API
- Channel load balancing
- Token and quota management
- Multi-user support
Aphrodite Engine vs One API: key differences
Aphrodite Engine is written in Python, while One API is built with Go. Licensing differs — AGPL-3.0 for Aphrodite Engine versus MIT for One API. One API is the lighter option, starting around 256 MB of RAM against 8,192 MB for Aphrodite Engine. One API has the considerably larger community, at 37,009 GitHub stars versus 1,866.
Why pick each one
Choose Aphrodite Engine if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Active community (1.9k GitHub stars)
- Written in Python
Choose One API if…
- Single OpenAI-compatible endpoint
- Built-in usage billing
- Easy Docker deployment
Watch out for
- Documentation mostly Chinese
- Scaling needs external database
Frequently asked questions
Is Aphrodite Engine or One API better?
One API is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Aphrodite Engine if its specific feature set fits your needs better.
Are Aphrodite Engine and One API free and open-source?
Yes. Aphrodite Engine is licensed under AGPL-3.0 and One API under MIT. Both can be self-hosted at no software cost.
Can I run Aphrodite Engine and One API with Docker?
Aphrodite Engine: yes. One API: yes.
Which is lighter on resources, Aphrodite Engine or One API?
One API has the smaller minimum footprint at 256 MB of RAM, compared to about 8,192 MB for Aphrodite Engine. Real-world usage depends on library size, user count, and enabled features.