Jina AI
Your search foundation, supercharged with AI.
Jina AI provides search infrastructure for turning URLs, web pages, and documents into LLM-friendly input, alongside retrieval components for building search and RAG systems. It handles multilingual and multimodal data, including text, images, and PDFs.
The platform includes Reader (r.jina.ai) for fetching and converting web content to Markdown or JSON, with options for CSS selectors, JavaScript execution, OCR via jina-ocr-v1, and local PDF/HTML uploads. Search (s.jina.ai) returns web SERP results, while Embeddings and Reranker support multimodal multilingual retrieval and relevance ranking. An MCP server (mcp.jina.ai) exposes these APIs for use in LLMs. The model lineup includes jina-embeddings-v4 and v5 variants, jina-reranker-v3 and v3.5, jina-ocr-v1, ReaderLM-v2, and Jina-VLM.
Access is via API key, with rate limits tied to key availability. An EU residency option is available for requests, and the Reader API supports configurable browser engines, caching, proxies, and streaming mode.
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