head to head · open source
claude-mem vs promptflow
claude-mem has 94,125 GitHub stars, 8,305 forks, 186 open issues and last shipped yesterday. promptflow has 11,243 stars, 1,122 forks, 69 open issues and last shipped 23 days ago. claude-mem leads on adoption by 737% (94,125 vs 11,243 stars). claude-mem is written in TypeScript under Apache-2.0; promptflow is written in Python under MIT. claude-mem has attracted 9% as many forks as stars, promptflow 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 | promptflow | |
|---|---|---|
| GitHub stars | ★ 94K | ★ 11K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-09-17 | 2026-08-26 |
| Forks | ⑂ 8.3K | ⑂ 1.1K |
| 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 promptflow if
- You want the promptflow feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and promptflow 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 promptflow
Prompt flow is a Microsoft developed, MIT licensed suite of Python development tools that streamlines the end to end lifecycle of LLM based AI applications — ideation, prototyping, testing, evaluation, production deployment and monitoring — for developers and teams who need prompt driven apps to reach production quality rather than stay in a notebook.
read the full promptflow overview →
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Frequently asked questions
Is claude-mem or promptflow more popular?
claude-mem has 94,125 GitHub stars and promptflow has 11,243. claude-mem has the larger community by that measure.
Are claude-mem and promptflow free?
Both are open source. claude-mem is licensed under Apache-2.0 and promptflow under MIT. Neither carries a licence fee.
What is the difference between claude-mem and promptflow?
claude-mem is written in TypeScript and promptflow 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, claude-mem or promptflow?
Choose claude-mem if you want the larger community (94,125 stars) or its Apache-2.0 licence terms. Choose promptflow if its feature set, stack or MIT licence fits better. Both are self-hostable.