BooksAI（Booknotes）记录了 2,537 月访问量，月度环比增长为 -24.5%，定价为免费增值。Code Arena 记录了 35,827,928 月访问量，增长率为 +19.4%，定价为免费。
| 维度 / 指标 |  | |
|---|---|---|
| 官方域名 | getbooknotes.com | arena.ai |
| 定价模式 | 免费增值 | 免费 |
| 月访问量 | 2537 (2,537) | 3582.79万 (35,827,928) |
| 月度环比流量变化 | -824 (-24.5%) |
| +583.28万 (+19.4%) |
| 主要市场与份额 | 🇺🇸 美国 (69.6%) | 🇮🇳 印度 (13.1%) |
|---|
| 直接访问 / 月 | 985 | 2433.99万 |
|---|
| 用户评分 | 4.1 | 4.7 |
|---|
| 支持的平台 | 网站 | 网站 |
|---|
AI 书籍摘要，还能与任意书籍对话
为任意虚构或非虚构书籍生成简练摘要，无需读完数百页即可把握核心观点。
就书中论点、案例与经验提出个性化问题，获得基于书籍内容的回答，如同与作者交谈。
按书名搜索或描述主题，获得覆盖商业、心理学、历史、科学等方向的 AI 阅读推荐。
若书中内容不在内置书库，可上传自己的文档，让 AI 进行摘要与分析。
让 AI 编程模型同台竞技
把同一个编程需求发给多个主流模型，对比它们生成的应用与逻辑。
实时观看模型搭建 Web 应用和网站，看到的不只是最终文件，还有过程。
项目不止于零散片段，能检验模型如何组织组件、路由与样式。
追踪哪些编程模型长期累积胜场，找出稳定表现优异的选手。
Knowt is a free study platform and the most popular Quizlet alternative, combining flashcards, note-taking, and AI study tools. Students can turn PDFs, lecture recordings, slides, and videos into flashcards, notes, and practice tests automatically.
SoBrief is a book summary platform that condenses thousands of fiction and nonfiction titles into short, readable digests you can consume as text, audio, PDF, or EPUB. It covers bestsellers, classics, and genre fiction, and includes an app, a personal library, and multilingual reading options.
LabLab is a free global community and hackathon platform where developers, designers and founders build AI-native products with sponsor-provided models, APIs and prize pools.
Summarizer.org is a free AI summarizer that condenses text, articles, essays and documents into paragraph or bullet-point summaries with adjustable length.
让 AI 模型同台竞技、由真人投票选出最佳设计产出的众包竞技场
SoBrief is a book summary platform that condenses thousands of fiction and nonfiction titles into short, readable digests you can consume as text, audio, PDF, or EPUB. It covers bestsellers, classics, and genre fiction, and includes an app, a personal library, and multilingual reading options.
免费 / 开源检索并研究数百万公开的 SKILL.md 智能体技能
LabLab is a free global community and hackathon platform where developers, designers and founders build AI-native products with sponsor-provided models, APIs and prize pools.
Summarizer.org is a free AI summarizer that condenses text, articles, essays and documents into paragraph or bullet-point summaries with adjustable length.
面向 Cursor 的社区插件、规则与 MCP 服务器中心
用盲测对战评测电脑与手机操作型 AI 智能体
专为 AI 与机器学习安全打造的漏洞赏金平台
