head to head · open source
faiss vs claude-context
faiss has 41,256 GitHub stars, 4,586 forks, 327 open issues and last shipped 2 days ago. claude-context has 12,667 stars, 939 forks, 146 open issues and last shipped 4 months ago. faiss leads on adoption by 226% (41,256 vs 12,667 stars). faiss is written in C++ under MIT; claude-context is written in TypeScript under MIT. faiss has attracted 11% as many forks as stars, claude-context 7%. faiss 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
| faiss | claude-context | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 13K |
| License | MIT | MIT |
| Written in | C++ | TypeScript |
| Last push | 2026-11-03 | 2026-07-14 |
| Forks | ⑂ 4.6K | ⑂ 939 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick faiss if
- You weight community size — 41K stars and counting
- You want the MIT license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick claude-context if
- You want the claude-context feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and claude-context fits your workflow better
About faiss
Faiss Faiss is a library for efficient similarity search and clustering of dense vectors. It contains algorithms that search in sets of vectors of any size, up to ones that possibly do not fit in RAM. It also contains supporting code for evaluation and parameter tuning. Faiss is written in C++ with complete wrappers for Python/numpy. Some of the most useful algorithms are implemented on the GPU. It is developed primarily at Meta's Fundamental AI Research group. News See CHANGELOG.md for detailed information about latest features. Introduction Faiss contains several methods for similarity search. It assumes that…
read the full faiss overview →
About claude-context
🆕 Looking for persistent memory for Claude Code? Check out memsearch Claude Code plugin — a markdown first memory system that gives your AI agent long term memory across sessions. Your entire codebase as Claude's context Claude Context is an MCP plugin that adds semantic code search to Claude Code and other AI coding agents, giving them deep context from your entire codebase. 🧠 Your Entire Codebase as Context : Claude Context uses semantic search to find all relevant code from millions of lines. No multi round discovery needed. It brings results straight into the Claude's context. 💰 Cost Effective for Large…
read the full claude-context overview →
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Frequently asked questions
Is faiss or claude-context more popular?
faiss has 41,256 GitHub stars and claude-context has 12,667. faiss has the larger community by that measure.
Are faiss and claude-context free?
Both are open source. faiss is licensed under MIT and claude-context under MIT. Neither carries a licence fee.
What is the difference between faiss and claude-context?
faiss is written in C++ and claude-context 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, faiss or claude-context?
Choose faiss if you want the larger community (41,256 stars) or its MIT licence terms. Choose claude-context if its feature set, stack or MIT licence fits better. Both are self-hostable.