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RagHost has shut down, with its domain currently returning HTTP 503 Service Suspended errors due to hosting termination.
经核查 raghost.ai 当前无法正常提供服务或返回服务器报错，已暂停外链直跳。
AI API 中目前正常运营的已核验工具，按近期访问量与编辑评分排序。
免费 / 开源Pinecone is a managed vector database and AI knowledge platform for building retrieval-augmented generation (RAG), semantic search, and agent memory. It stores vector embeddings at scale, makes writes searchable within seconds with no index tuning, and keeps p99 latency steady as data grows. Pinecone powers products for more than 10,000 customers and over a million developers worldwide.
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免费 / 开源Trieve is an AI search and discovery platform and open API for building RAG applications. It combines hybrid search, chunk management, conversational AI and relevance analytics in one system, and can be used as a managed service or self-hosted.
免费 / 开源由 DeepSeek-V4 与 R1 驱动的高效开源权重与托管推理 AI，token 成本极低。
RagHost was a developer-focused infrastructure service designed to simplify Retrieval-Augmented Generation (RAG) through straightforward APIs for document embedding, chunking, and streaming Q&A. Instead of wrestling with vector databases and custom orchestration from scratch, engineers could plug RAG capabilities into internal tools and apps with minimal boilerplate.
Since RagHost is defunct, developers seeking managed RAG infrastructure and document embedding APIs can check out the top-rated AI Developer Tools listed on our homepage.
免费 / 开源Pinecone is a managed vector database and AI knowledge platform for building retrieval-augmented generation (RAG), semantic search, and agent memory. It stores vector embeddings at scale, makes writes searchable within seconds with no index tuning, and keeps p99 latency steady as data grows. Pinecone powers products for more than 10,000 customers and over a million developers worldwide.
