Jina AI
Embeddings, reranker and reader APIs for search and RAG
About Jina AI
Jina AI provides search foundation models and APIs: multilingual and multimodal embeddings, rerankers, a Reader that converts web pages for LLMs, and web search. The company announced its acquisition by Elastic in 2025.
Common use cases
- RAG pipelines
- Semantic search
- Agent web access
Products and services
Embeddings
Multilingual, multimodal embedding models.
Reranker
Reorders search results for relevance.
Reader
Converts web pages into LLM-friendly text.
Search API
Web search endpoint for LLMs.
Key features
- Embedding models
- Reranking
- Web page reader
- Web search API
- MCP server
Integrations
- Elasticsearch
- LangChain
- LlamaIndex
Jina AI alternatives
FAQs
Is it open source?
Some models are released openly; APIs are offered as a hosted service.
How is it priced?
Usage-based with a free tier.
Who owns it?
Elastic announced its acquisition in 2025.
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