近日，Chaofan联合发布论文《Your Agent Is Mine》，首次系统性揭露第三方LLM路由器（中转站）已成为AI Agent领域最致命的中间人攻击点。核心原理在于路由器即应用层MITM，现代AI Agent几乎全部依赖第三方服务，导致开发者可能已在不知不觉中被完全掌控。这一发现让依赖OpenRouter、LiteLLM等低价中转服务的开发者瞬间警醒。
智谱和MiniMax正争夺“首个大模型上市公司”头衔，商业模式差异明显：智谱以MaaS模式为主，依赖API调用；MiniMax则侧重应用层产品。两者面临的市场环境与AI四小龙时期不同，竞争更激烈，商业化路径也更为多样。
AI应用公司LiblibAI完成1.3亿美元B轮融资，由红杉中国、CMC资本等领投，老股东超额增持。这是国内AI应用领域迄今最大融资，显示投资重点正从底层模型转向应用层。
a16z发布首份AI应用支出报告，基于Mercury数据列出50家最受初创企业青睐的AI原生公司。报告显示，随着AI热潮兴起，企业面临丰富工具选择，这些公司（非基础设施商）已获市场认可，体现AI应用层正形成明确市场格局。
Openai
$2.8
Input tokens/M
$11.2
Output tokens/M
1k
Context Length
Xai
$1.4
$3.5
2k
-
Anthropic
$105
$525
200
Google
$0.7
$7
$35
$2.1
$17.5
$21
Alibaba
Baidu
128
$6
$24
256
Bytedance
$1.2
$3.6
4
$2
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