提供闪电般快速、以键盘操作为主的邮件体验与强大 AI 功能,但订阅价格高出很多。
Scale 记录了 616,915 月访问量,月度环比增长为 +12.5%,定价为定价请咨询。Spark Mail 记录了 435,229 月访问量,增长率为 -13.5%,定价为免费增值,免费试用。
Scale is an enterprise AI company that supplies the data, evaluation and deployment layers behind production AI. Its Data Engine sources and labels training data for frontier models, its evaluation work benchmarks model capability, and its platform teams help enterprises and governments move AI systems from pilot into real operations.

智能专注的邮箱体验,AI 助力个人与团队
| 维度 / 指标 | ![]() | |
|---|---|---|
| 官方域名 | scale.com | sparkmailapp.com |
| 定价模式 | 定价请咨询 | 免费增值,免费试用 |
| 月访问量 | 61.69万 (616,915) | 43.52万 (435,229) |
| 月度环比流量变化 | +6.87万 (+12.5%) | -6.78万 (-13.5%) |
| 主要市场与份额 | 🇺🇸 美国 (44.2%) | 🇺🇸 美国 (31.3%) |
| 直接访问 / 月 | 19.14万 | 19.84万 |
| 用户评分 | 4.7 | 4.3 |
| 支持的平台 | 网站 | 网站 |
Scale is an enterprise AI company that supplies the data, evaluation and deployment layers behind production AI. Its Data Engine sources and labels training data for frontier models, its evaluation work benchmarks model capability, and its platform teams help enterprises and governments move AI systems from pilot into real operations.
Human-sourced and expert-annotated training data, including specialist contributors with advanced degrees, at the quality bar frontier labs require.
Public leaderboards plus private benchmarks that test model capability and safety for the most ambitious AI developers.
Platform and services teams that pick the right use case, build the system and take ownership of the outcome.
Agentic systems designed around measurable business outcomes across private equity portfolios, energy and healthcare operations.

智能专注的邮箱体验,AI 助力个人与团队
智能收件箱与 Priority 会突出重要联系人邮件,并把简报和通知归类收纳,让主收件箱保持清爽。
AI 助手可查找、摘要并处理收件箱中的任意邮件,AI 写作助手帮助撰写邮件,Auto-Drafts 还能预先起草回复。
可翻译收到的邮件、快速获取长邮件串摘要,无需逐行阅读即可抓住重点。
支持共享草稿、添加私密评论、分配邮件负责人并跟踪进度,方便与同事协作。
提供闪电般快速、以键盘操作为主的邮件体验与强大 AI 功能,但订阅价格高出很多。
专项更强简化计算机视觉数据集标注与模型训练,但不太适合通用的 LLM 文本任务。
专注于企业级数据标注和训练数据整理,类似于 Scale 的核心标注业务。

具备更强大的团队协作功能(含共享邮箱和内部聊天),但对独立消费者的 AI 写作功能关注较少。
具备更强大的团队协作功能(含共享邮箱和内部聊天),但对独立消费者的 AI 写作功能关注较少。
提供企业级多模态标注和数据管理工具,但对托管式标注人力的强调较少。


专项更强在互联环境中跟踪、评估并交付 AI 模型与智能体。

专项更强Focuses on post-deployment LLM observability and evaluation rather than training data generation or annotation.
专项更强Focuses on post-deployment LLM observability and evaluation rather than training data generation or annotation.

提供更深入的 AI 邮箱整理与自动分组功能,但界面和导航结构与 Spark 不同。
提供更深入的 AI 邮箱整理与自动分组功能,但界面和导航结构与 Spark 不同。
专项更强Voilà is an AI assistant that lives in your browser, desktop and phone, letting you chat with websites, documents and images, draft emails, write and research without switching tabs.
专项更强Voilà is an AI assistant that lives in your browser, desktop and phone, letting you chat with websites, documents and images, draft emails, write and research without switching tabs.

免费 / 开源提供灵活的开源替代方案,适用于自定义数据标注和人机回环(Human-in-the-loop)标注管道。