head to head · open source
claude-mem vs langtrace
claude-mem has 94,125 GitHub stars, 8,305 forks, 186 open issues and last shipped yesterday. langtrace has 1,231 stars, 127 forks, 2 open issues and last shipped 10 months ago. claude-mem leads on adoption by 7,546% (94,125 vs 1,231 stars). claude-mem is written in TypeScript under Apache-2.0; langtrace is written in TypeScript under AGPL-3.0. claude-mem has attracted 9% as many forks as stars, langtrace 10%. claude-mem was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), 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
| claude-mem | langtrace | |
|---|---|---|
| GitHub stars | ★ 94K | ★ 1.2K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2025-11-17 |
| Forks | ⑂ 8.3K | ⑂ 127 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick claude-mem if
- You weight community size — 94K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick langtrace if
- You want the langtrace feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and langtrace fits your workflow better
About claude-mem
claude mem is an Apache 2.0 TypeScript memory layer for AI coding agents that captures what an agent did during a session, compresses it with AI, and injects the relevant parts back into future sessions, built for developers running Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode and similar tools.
read the full claude-mem overview →
About langtrace
Langtrace is an open source, OpenTelemetry based end to end observability tool for LLM applications that captures and analyzes real time traces, evaluations and metrics across LLM APIs, vector databases and LLM frameworks, and it is aimed at developers and LLMOps teams who need to see what their LLM backed applications are actually doing in production.
read the full langtrace overview →
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Frequently asked questions
Is claude-mem or langtrace more popular?
claude-mem has 94,125 GitHub stars and langtrace has 1,231. claude-mem has the larger community by that measure.
Are claude-mem and langtrace free?
Both are open source. claude-mem is licensed under Apache-2.0 and langtrace under AGPL-3.0. Neither carries a licence fee.
What is the difference between claude-mem and langtrace?
claude-mem is written in TypeScript and langtrace 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, claude-mem or langtrace?
Choose claude-mem if you want the larger community (94,125 stars) or its Apache-2.0 licence terms. Choose langtrace if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.