head to head · open source
GPT4All vs OpenLIT
GPT4All has 77,347 GitHub stars, 8,261 forks, 771 open issues and last shipped 1.4 years ago. OpenLIT has 2,899 stars, 455 forks, 60 open issues and last shipped yesterday. GPT4All leads on adoption by 2,568% (77,347 vs 2,899 stars). GPT4All is written in C++ under MIT; OpenLIT is written in TypeScript under Apache-2.0. GPT4All has attracted 11% as many forks as stars, OpenLIT 16%. OpenLIT 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.
← all 20902 open source comparisons
Side by side
| GPT4All | OpenLIT | |
|---|---|---|
| GitHub stars | ★ 77K | ★ 2.9K |
| License | MIT | Apache-2.0 |
| Written in | C++ | TypeScript |
| Last push | 2025-05-27 | 2026-11-02 |
| Forks | ⑂ 8.3K | ⑂ 455 |
| 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 OpenLIT if
- You want the OpenLIT feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and OpenLIT fits your workflow better
About GPT4All
GPT4All Now with support for DeepSeek R1 Distillations Website • Documentation • Discord • YouTube Tutorial GPT4All runs large language models (LLMs) privately on everyday desktops & laptops. No API calls or GPUs required you can just download the application and get started . Read about what's new in our blog . Subscribe to the newsletter GPT4All is made possible by our compute partner Paperspace . Download Links — Windows Installer — — Windows ARM Installer — — macOS Installer — — Ubuntu Installer — The Windows and Linux builds require Intel Core…
read the full GPT4All overview →
About OpenLIT
Open source observability & evaluation for AI agents Trace, evaluate, debug, and optimize AI applications and coding agents with OpenTelemetry. ⭐ Star 🚀 Quickstart 📚 Docs Documentation · Quickstart · Examples · Join Slack See what your AI agents are actually doing AI applications are no longer just LLM calls. A production agent can involve: OpenLIT gives you visibility across the entire workflow. Trace every LLM call, tool invocation, prompt, agent step, token, cost, error, and evaluation — using OpenTelemetry. ⚡ Get started in 5 minutes 1. Start OpenLIT Open: 2. Install the SDK Python: TypeScript: 3…
read the full OpenLIT overview →
More in AI & Machine Learning
Related comparisons
More Machine Learning Infrastructure projects
Compare either of these against the rest of the Machine Learning Infrastructure field.
Frequently asked questions
Is GPT4All or OpenLIT more popular?
GPT4All has 77,347 GitHub stars and OpenLIT has 2,899. GPT4All has the larger community by that measure.
Are GPT4All and OpenLIT free?
Both are open source. GPT4All is licensed under MIT and OpenLIT under Apache-2.0. Neither carries a licence fee.
What is the difference between GPT4All and OpenLIT ?
GPT4All is written in C++ and OpenLIT in TypeScript. 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 OpenLIT ?
Choose GPT4All if you want the larger community (77,347 stars) or its MIT licence terms. Choose OpenLIT if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.