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
Code Arena 记录了 35,827,928 月访问量,月度环比增长为 +19.4%,定价为免费。Sendmux 记录了 37 月访问量,增长率为 -98.3%,定价为免费。

Sendmux is an email API built for AI agents. It gives each agent a real mailbox on a verified domain or a shared address, lets it send outbound mail through your own providers, and streams inbox events live so agents can react instead of polling.
| 维度 / 指标 | ![]() | ![]() |
|---|---|---|
| 官方域名 | arena.ai | sendmux.ai |
| 定价模式 | 免费 | 免费 |
| 月访问量 | 3582.79万 (35,827,928) | 37 (37) |
| 月度环比流量变化 | +583.28万 (+19.4%) | -2196 (-98.3%) |
| 主要市场与份额 | 🇮🇳 印度 (13.1%) | 🇺🇸 美国 (100%) |
| 直接访问 / 月 | 2433.99万 | 12 |
| 用户评分 | 4.7 | 4.2 |
| 支持的平台 | 网站 | 网站 |

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。

Sendmux is an email API built for AI agents. It gives each agent a real mailbox on a verified domain or a shared address, lets it send outbound mail through your own providers, and streams inbox events live so agents can react instead of polling.
Provision mailboxes on verified domains or a shared myagent.mx address, with clean JSON output that strips signatures and quotes.
Send over HTTP or SMTP using the same mailbox credential as a Bearer token and SMTP password, with Idempotency-Key retries and attachment support.
Bind keys to providers, delivery groups, weights, and quota windows so traffic stays inside the boundaries you set.
Signed webhooks for delivery and receipt events, an SSE stream for live mailbox clients, and typed change polling for resync.
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
面向团队的协作式收件箱与邮件管理
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.
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.
面向编码智能体的 Fast Apply 与智能体调优推理
面向 Cursor 的社区插件、规则与 MCP 服务器中心