Jina AI
Jina AI develops models that find relevant content across text, images and other media. Han Xiao founded the company in 2020. Elastic acquired it in October 2025, adding Jina's embeddings, rerankers and reading models to its search business.
Models & tools
- Jina OCR v1
Jina AI · Jina OCR
A document parser that converts page images into structured text.
Launch date API · Downloadable - Jina Reranker v3.5
Jina AI · Jina Reranker
A listwise search ranker tuned for specialist documents and structured data.
Launch date API · Downloadable - Jina Embeddings v5 Omni Nano
Jina AI · Jina Embeddings v5 Omni
A compact multimodal encoder aligned with Jina's v5 Text Nano vectors.
Launch date API · Downloadable - Jina Embeddings v5 Omni Small
Jina AI · Jina Embeddings v5 Omni
A shared search encoder for text, images, audio, video and document files.
Launch date API · Downloadable - Jina Embeddings v5 Text Nano
Jina AI · Jina Embeddings v5
A EuroBERT-based text encoder for search with a smaller memory footprint.
Launch date API · Downloadable - Jina Embeddings v5 Text Small
Jina AI · Jina Embeddings v5
A multilingual text encoder with four task adapters and compact vector options.
Launch date API · Downloadable A small vision-language model for questions about images and documents.
Launch date API · Downloadable- Jina Reranker v3
Jina AI · Jina Reranker
A compact ranker that compares a query with several documents in one pass.
Launch date API · Downloadable - Jina Code Embeddings 0.5B
Jina AI · Jina Code Embeddings
A compact encoder that finds code from descriptions, examples and completion context.
Launch date API · Downloadable - Jina Code Embeddings 1.5B
Jina AI · Jina Code Embeddings
A larger code-search encoder with adjustable vectors for technical retrieval.
Launch date API · Downloadable - Jina Embeddings v4
Jina AI · Jina Embeddings v4
A visual-document encoder with both single-vector and token-vector retrieval.
Launch date API · Downloadable - Jina Reranker m0
Jina AI · Jina Reranker
A relevance scorer for text and document images in multiple languages.
Launch date API · Downloadable - ReaderLM v2
Jina AI · ReaderLM
A small language model that turns HTML into Markdown or schema-based JSON.
Launch date API · Downloadable - Jina CLIP v2
Jina AI · Jina CLIP
A multilingual text-and-image encoder with adjustable vector dimensions.
Launch date API · Downloadable - Jina Embeddings v3
Jina AI · Jina Embeddings v3
A multilingual text model with separate query and passage adapters.
Launch date API · Downloadable - ReaderLM 0.5B
Jina AI · ReaderLM
A small HTML-to-Markdown model for local page-content conversion.
Launch date Downloadable - ReaderLM 1.5B
Jina AI · ReaderLM
The larger first-generation ReaderLM model for HTML-to-Markdown conversion.
Launch date Downloadable - Jina ColBERT v2
Jina AI · Jina ColBERT
A multilingual retriever that keeps separate vectors for document tokens.
Launch date API · Downloadable - Jina Reranker v2 Base Multilingual
Jina AI · Jina Reranker
A multilingual cross-encoder that scores query-document relevance.
Launch date API · Downloadable - Jina CLIP v1
Jina AI · Jina CLIP
An English embedding model trained for both text search and image matching.
Launch date Downloadable - Jina Reranker v1 Tiny English
Jina AI · Jina Reranker
A four-layer English ranker distilled for fast relevance scoring.
Launch date Downloadable - Jina Reranker v1 Turbo English
Jina AI · Jina Reranker
A six-layer English ranker between the tiny and base sizes.
Launch date Downloadable - Jina Reranker v1 Base English
Jina AI · Jina Reranker
The original English query-document relevance model in Jina's reranking family.
Launch date API - Jina ColBERT v1 English
Jina AI · Jina ColBERT
An English token-level retriever built for longer documents.
Launch date Downloadable - Jina Embeddings v2 Base Spanish-English
Jina AI · Jina Embeddings v2
A text-search encoder trained for Spanish and English.
Launch date Downloadable - Jina Embeddings v2 Base Code
Jina AI · Jina Embeddings v2
A compact code-search encoder trained on source and documentation pairs.
Launch date Downloadable - Jina Embeddings v2 Base German-English
Jina AI · Jina Embeddings v2
A bilingual vector model for searching German and English text.
Launch date Downloadable - Jina Embeddings v2 Base Chinese-English
Jina AI · Jina Embeddings v2
A bilingual encoder for matching Chinese and English documents.
Launch date Downloadable - Jina Embeddings v2 Base English
Jina AI · Jina Embeddings v2
An English long-document encoder with permissively licensed weights.
Launch date Downloadable - Jina Embeddings v2 Small English
Jina AI · Jina Embeddings v2
A 33-million-parameter English encoder with long-document input.
Launch date Downloadable - StarCoder 1B Textbook
Jina AI · Jina Code Fine-tunes
A small code-completion model trained on synthetic programming exercises.
Launch date Research releaseDownloadable - Jina Embedding v1 Tiny English
Jina AI · Jina Embeddings v1
A tiny English sentence encoder for low-resource semantic search.
Launch date Downloadable - Falcon 40B Code Alpaca
Jina AI · Jina Code Fine-tunes
A Jina-trained Falcon 40B adaptation using Code Alpaca examples.
Launch date Research releaseDownloadable - Falcon 7B Code Alpaca
Jina AI · Jina Code Fine-tunes
A Jina-trained Falcon 7B adaptation for coding instructions.
Launch date Research releaseDownloadable - Jina Embedding v1 Large English
Jina AI · Jina Embeddings v1
A larger English embedding checkpoint with 1,024-dimensional output.
Launch date Downloadable - Jina Embedding v1 Small English
Jina AI · Jina Embeddings v1
A small English vector model from Jina's first embedding release.
Launch date Downloadable - Jina Embedding v1 Base English
Jina AI · Jina Embeddings v1
The base-size English model in Jina's original embedding family.
Launch date Downloadable