head to head · open source
GPT4All vs lightly-studio
GPT4All has 77,399 GitHub stars, 8,291 forks, 771 open issues and last shipped 1.3 years ago. lightly-studio has 889 stars, 34 forks, 53 open issues and last shipped yesterday. GPT4All leads on adoption by 8,606% (77,399 vs 889 stars). GPT4All is written in C++ under MIT; lightly-studio is written in Python under Apache-2.0. GPT4All has attracted 11% as many forks as stars, lightly-studio 4%. lightly-studio 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
| GPT4All | lightly-studio | |
|---|---|---|
| GitHub stars | ★ 77K | ★ 889 |
| License | MIT | Apache-2.0 |
| Written in | C++ | Python |
| Last push | 2025-05-27 | 2026-09-17 |
| Forks | ⑂ 8.3K | ⑂ 34 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick GPT4All if
- You weight community size — 77K stars and counting
- You want the MIT license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick lightly-studio if
- You want the lightly-studio 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 lightly-studio fits your workflow better
About GPT4All
GPT4All is an MIT licensed C++ chat application and Python client from Nomic that runs large language models privately on everyday desktops and laptops, built for developers and teams who want local inference without API calls, GPUs, or sending data off device.
read the full GPT4All overview →
About lightly-studio
LightlyStudio is an Apache 2.0 Python application that opens in a browser and lets computer vision and MLOps practitioners curate, annotate, and manage image and video datasets entirely on their own machine, with no account and no data leaving the local system.
read the full lightly-studio overview →
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Frequently asked questions
Is GPT4All or lightly-studio more popular?
GPT4All has 77,399 GitHub stars and lightly-studio has 889. GPT4All has the larger community by that measure.
Are GPT4All and lightly-studio free?
Both are open source. GPT4All is licensed under MIT and lightly-studio under Apache-2.0. Neither carries a licence fee.
What is the difference between GPT4All and lightly-studio?
GPT4All is written in C++ and lightly-studio 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, GPT4All or lightly-studio?
Choose GPT4All if you want the larger community (77,399 stars) or its MIT licence terms. Choose lightly-studio if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.