One API vs Wllama
A side-by-side comparison of two self-hosted local llm runners options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | One API | Wllama |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 61 · Good | 84 · Excellent |
| Category | Local LLM Runners | Local LLM Runners |
| License | MIT | MIT |
| Language | Go | TypeScript |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, binary | source |
| GitHub stars | ★ 37,009 | ★ 1,309 |
| First released | 2023 | 2024 |
| Replaces | OpenAI API, OpenRouter | OpenAI API |
What are One API and Wllama?
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
Wllama
Wllama is an open-source WebAssembly binding for llama.cpp that allows large language models to run entirely inside the browser. It can be hosted as a static site to provide fully client-side AI inference.
- Browser-based inference
- WebAssembly powered
- No server needed
- Static site deployable
One API vs Wllama: key differences
One API is written in Go, while Wllama is built with TypeScript. One API is the lighter option, starting around 256 MB of RAM against 512 MB for Wllama. One API has the considerably larger community, at 37,009 GitHub stars versus 1,309. One API lists first-class Docker deployment; Wllama does not.
Why pick each one
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
Choose Wllama if…
- Released under the MIT license
- Active community (1.3k GitHub stars)
- Written in TypeScript
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is One API or Wllama better?
Neither is universally better. One API has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are One API and Wllama free and open-source?
Yes. One API is licensed under MIT and Wllama under MIT. Both can be self-hosted at no software cost.
Can I run One API and Wllama with Docker?
One API: yes. Wllama: check the project docs for container support.
Which is lighter on resources, One API or Wllama?
One API has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Wllama. Real-world usage depends on library size, user count, and enabled features.