Source: https://seerepo.com/compare/mem0ai/mem0/vs/NanmiCoder/MediaCrawler
Markdown source: https://seerepo.com/compare/mem0ai/mem0/vs/NanmiCoder/MediaCrawler.md
Description: mem0 and MediaCrawler share 4 technologies: FastAPI, Postgres, Redis, and MongoDB. Both are written in Python.

# mem0 vs MediaCrawler

mem0 and MediaCrawler share 4 technologies: FastAPI, Postgres, Redis, and MongoDB. Both are written in Python.

- [mem0ai/mem0](https://seerepo.com/r/mem0ai/mem0): The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.
- [NanmiCoder/MediaCrawler](https://seerepo.com/r/NanmiCoder/MediaCrawler): 小红书笔记 | 评论爬虫、抖音视频 | 评论爬虫、快手视频 | 评论爬虫、B 站视频 ｜ 评论爬虫、微博帖子 ｜ 评论爬虫、百度贴吧帖子 ｜ 百度贴吧评论回复爬虫  | 知乎问答文章｜评论爬虫

## What they share and what sets them apart

- In common: FastAPI, Postgres, Redis, MongoDB
- Only in mem0: Supabase, OpenAI, Anthropic, PostHog, AWS S3
- Only in MediaCrawler: React, Vite

## Side by side

| | mem0 | MediaCrawler |
|---|---|---|
| Size | 234,363 lines written, 636 code files | 40,863 lines written, 176 code files |
| Who writes it | 3.6% of its commits signed by AI. With Claude Code and Cursor | 2.7% of its commits signed by AI. With Claude Code and Codex |
| Activity | Last push October 26, 2026, 2,650 commits, 67,923 stars | Last push October 27, 2026, 661 commits, 68,755 stars |
| Tests | 324 test files. 46.2% of its code files have a test that imports them | 39 test files. 27.8% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, mem0 or MediaCrawler?

mem0, with 234,363 lines written in 636 code files; MediaCrawler has 40,863 in 176.

The proof: [mem0ai/mem0's code at commit 26cdefb](https://github.com/mem0ai/mem0/tree/26cdefb46600c0fa5953c4b5ee5003c125539fc4)

### Which has more GitHub stars, mem0 or MediaCrawler?

MediaCrawler, with 68,755 stars; mem0 has 67,923.

The proof: [NanmiCoder/MediaCrawler on GitHub](https://github.com/NanmiCoder/MediaCrawler)

### Which has more tests, mem0 or MediaCrawler?

mem0, with 324 test files; MediaCrawler has 39.

The proof: [mem0ai/mem0's code at commit 26cdefb](https://github.com/mem0ai/mem0/tree/26cdefb46600c0fa5953c4b5ee5003c125539fc4)

### Which was updated more recently, mem0 or MediaCrawler?

MediaCrawler: its last push was on October 27, 2026, and mem0's on October 26, 2026.

The proof: [NanmiCoder/MediaCrawler's commits on GitHub](https://github.com/NanmiCoder/MediaCrawler/commits)

### Which has more commits signed by AI, mem0 or MediaCrawler?

mem0: an AI signed 3.6% of its commits, with Claude Code and Cursor; in MediaCrawler, 2.7%.

The proof: [the commits each tool signed in mem0ai/mem0](https://seerepo.com/r/mem0ai/mem0/ai)

## Sources

- mem0ai/mem0: Read on October 27, 2026, at commit 26cdefb (https://github.com/mem0ai/mem0/tree/26cdefb46600c0fa5953c4b5ee5003c125539fc4)
- NanmiCoder/MediaCrawler: Read on October 27, 2026, at commit 68d9ef1 (https://github.com/NanmiCoder/MediaCrawler/tree/68d9ef1c1da22eab75940dfd7cec259907006538)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.