head to head · open source
GPT4All vs LongMemory
GPT4All has 77,399 GitHub stars, 8,291 forks, 771 open issues and last shipped 1.3 years ago. LongMemory has 4,502 stars, 504 forks, 19 open issues and last shipped 4 days ago. GPT4All leads on adoption by 1,619% (77,399 vs 4,502 stars). GPT4All is written in C++ under MIT; LongMemory is written in TypeScript under Apache-2.0. GPT4All has attracted 11% as many forks as stars, LongMemory 11%. LongMemory 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 | LongMemory | |
|---|---|---|
| GitHub stars | ★ 77K | ★ 4.5K |
| License | MIT | Apache-2.0 |
| Written in | C++ | TypeScript |
| Last push | 2025-05-27 | 2026-09-14 |
| Forks | ⑂ 8.3K | ⑂ 504 |
| 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 LongMemory if
- You want the LongMemory 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 LongMemory 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 LongMemory
LongMemory is a local first, self hosted cognitive memory engine for LLM applications and autonomous agents that gives stateless models durable, temporal, governed recall, written in TypeScript under the Apache 2.0 licence and aimed at developers building agent hosts, automation tools, and RAG style pipelines.
read the full LongMemory overview →
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Frequently asked questions
Is GPT4All or LongMemory more popular?
GPT4All has 77,399 GitHub stars and LongMemory has 4,502. GPT4All has the larger community by that measure.
Are GPT4All and LongMemory free?
Both are open source. GPT4All is licensed under MIT and LongMemory under Apache-2.0. Neither carries a licence fee.
What is the difference between GPT4All and LongMemory?
GPT4All is written in C++ and LongMemory 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 LongMemory?
Choose GPT4All if you want the larger community (77,399 stars) or its MIT licence terms. Choose LongMemory if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.