Unverified50% confidenceFactExact time
各家大模型API在认证方式、请求格式、参数命名、流式输出协议等方面存在显著差异，例如OpenAI使用Bearer Token认证，而部分国内厂商使用HMAC签名
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/9/2026
First Seen
Valid until: 10/7/2026
Sources
LangChain入门：连接大模型与AI应用的核心框架
bilibiliAI大模型-入门教程7/8/2026
Related Claims
UnverifiedOpenAI使用Bearer Token认证，而部分国内厂商使用HMAC签名84% similarUnverifiedOpenAI, Anthropic, Google, and xAI each maintain independent API specifications, requiring developers to modify endpoints, authentication methods, and request formats when switching models.71% similarUnverified各家服务商在缓存控制权归属上存在设计分歧：Anthropic交给开发者显式标记，OpenAI采用服务端自动识别，DeepSeek通过前缀哈希匹配实现透明自动缓存70% similarUnverified大多数API中转站兼容OpenAI的API格式规范（即RESTful接口+Bearer Token认证）70% similar
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