head to head · open source
GPT4All vs cortexdb
GPT4All has 77,343 GitHub stars, 8,257 forks, 771 open issues and last shipped 1.5 years ago. cortexdb has 501 stars, 32 forks, 1 open issues and last shipped today. GPT4All leads on adoption by 15,338% (77,343 vs 501 stars). GPT4All is written in C++ under MIT; cortexdb is written in Go under MIT. GPT4All has attracted 11% as many forks as stars, cortexdb 6%. cortexdb 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 | cortexdb | |
|---|---|---|
| GitHub stars | ★ 77K | ★ 501 |
| License | MIT | MIT |
| Written in | C++ | Go |
| Last push | 2025-05-27 | 2026-11-14 |
| Forks | ⑂ 8.3K | ⑂ 32 |
| 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 cortexdb if
- You want the cortexdb feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and cortexdb 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 cortexdb
CortexDB AI memory and a knowledge graph in one SQLite file. Pure Go, no service to run, works without an embedding model. Install Use The plugin gives Claude Code and Codex one global brain at /.cortexdb/cortexdb.db , /remember , /recall and an auto recall hook. A session starts with an index of what the brain knows about its project, an agent about to open a file is told what happened to it before, and a session's durable facts are captured with text and credentials kept out. Point several agents or machines at one cortexdb grpc and they share the same memory and graph. In Codex, review and trust the plugin…
read the full cortexdb overview →
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Frequently asked questions
Is GPT4All or cortexdb more popular?
GPT4All has 77,343 GitHub stars and cortexdb has 501. GPT4All has the larger community by that measure.
Are GPT4All and cortexdb free?
Both are open source. GPT4All is licensed under MIT and cortexdb under MIT. Neither carries a licence fee.
What is the difference between GPT4All and cortexdb?
GPT4All is written in C++ and cortexdb in Go. 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 cortexdb?
Choose GPT4All if you want the larger community (77,343 stars) or its MIT licence terms. Choose cortexdb if its feature set, stack or MIT licence fits better. Both are self-hostable.