head to head · open source
Bruno vs datamodel-code-generator
Bruno has 47,027 GitHub stars, 2,890 forks, 1,831 open issues and last shipped yesterday. datamodel-code-generator has 4,019 stars, 460 forks, 23 open issues and last shipped yesterday. Bruno leads on adoption by 1,070% (47,027 vs 4,019 stars). Bruno is written in JavaScript under MIT; datamodel-code-generator is written in Python under MIT. Bruno has attracted 6% as many forks as stars, datamodel-code-generator 11%. Bruno was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (openapi), so they are genuine substitutes rather than adjacent tools.
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 | datamodel-code-generator | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 4.0K |
| License | MIT | MIT |
| Written in | JavaScript | Python |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.9K | ⑂ 460 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Bruno if
- You weight community size — 47K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick datamodel-code-generator if
- You want the datamodel-code-generator feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and datamodel-code-generator fits your workflow better
About Bruno
Bruno is a lightweight, open source API client and IDE for exploring and testing APIs, built for developers and teams who want their request collections stored as plain text in a folder on their own filesystem rather than in a vendor's cloud.
read the full Bruno overview →
About datamodel-code-generator
datamodel code generator 🚀 Generate Python data models from schema definitions in seconds. 📚 Documentation · 🧪 Playground · 💼 Lead maintainer available for work [!NOTE] Playground privacy: Generation runs locally in your browser with Pyodide. Your schema and options are not sent to a backend. Shared repro URLs encode them in the URL fragment ( state=... ), which browsers do not send to the server; the full URL can still be stored in your browser history or wherever you share it. ✨ What it does Pick any one of the supported inputs and pick the Python model style you want as output. input model path/to/file.py:…
read the full datamodel-code-generator overview →
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Frequently asked questions
Is Bruno or datamodel-code-generator more popular?
Bruno has 47,027 GitHub stars and datamodel-code-generator has 4,019. Bruno has the larger community by that measure.
Are Bruno and datamodel-code-generator free?
Both are open source. Bruno is licensed under MIT and datamodel-code-generator under MIT. Neither carries a licence fee.
What is the difference between Bruno and datamodel-code-generator?
Bruno is written in JavaScript and datamodel-code-generator 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 datamodel-code-generator?
Choose Bruno if you want the larger community (47,027 stars) or its MIT licence terms. Choose datamodel-code-generator if its feature set, stack or MIT licence fits better. Both are self-hostable.