head to head · open source
Bruno vs optillm
Bruno has 47,992 GitHub stars, 3,068 forks, 1,831 open issues and last shipped yesterday. optillm has 4,335 stars, 398 forks, 23 open issues and last shipped yesterday. Bruno leads on adoption by 1,007% (47,992 vs 4,335 stars). Bruno is written in JavaScript under MIT; optillm is written in Python under Apache-2.0. Bruno has attracted 6% as many forks as stars, optillm 9%. Bruno was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Bruno | optillm | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 4.3K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.1K | ⑂ 398 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Bruno if
- You weight community size — 48K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick optillm if
- You want the optillm feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and optillm fits your workflow better
About Bruno
Bruno Opensource IDE for exploring and testing APIs. English Українська Русский Türkçe Deutsch Français Português (BR) 한국어 বাংলা Español Italiano Română Polski 简体中文 正體中文 العربية 日本語 ქართული Nederlands فارسی Bruno is a new and innovative API client, aimed at revolutionizing the status quo represented by Postman and similar tools out there. Bruno stores your collections directly in a folder on your filesystem. We use a plain text markup language, Bru, to save information about API requests. You can use Git or any version control of your choice to collaborate over your API collections. Bruno is offline only. There…
read the full Bruno overview →
About optillm
OptiLLM 🚀 2 10x accuracy improvements on reasoning tasks with zero training 🤗 HuggingFace Space • 📓 Colab Demo • 💬 Discussions OptiLLM is an OpenAI API compatible optimizing inference proxy that implements 20+ state of the art techniques to dramatically improve LLM accuracy and performance on reasoning tasks without requiring any model training or fine tuning. It is possible to beat the frontier models using these techniques across diverse tasks by doing additional compute at inference time. A good example of how to combine such techniques together is the CePO approach from Cerebras. ✨ Key Features 🎯…
read the full optillm overview →
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Frequently asked questions
Is Bruno or optillm more popular?
Bruno has 47,992 GitHub stars and optillm has 4,335. Bruno has the larger community by that measure.
Are Bruno and optillm free?
Both are open source. Bruno is licensed under MIT and optillm under Apache-2.0. Neither carries a licence fee.
What is the difference between Bruno and optillm?
Bruno is written in JavaScript and optillm in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Bruno or optillm?
Choose Bruno if you want the larger community (47,992 stars) or its MIT licence terms. Choose optillm if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.