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# jina-embeddings-v3

Jina Embeddings v3 is the latest iteration in the Jina AI's text embedding model series, building upon Jina Embedding v2. Key features include multilingual support for over 30 languages, task-oriented design using Low-Rank Adaptation (LoRa) instruction adapters, and Matryoshka Representation Learning (MRL) for flexible embedding generation. The model is built on a custom backbone based on XLM-Roberta with extended training and Rotary Position Embedding encoding, allowing it to supports up to 8,192 input tokens.

## Installation

```python theme={null}
pip install pinecone requests
```

## Create Index

```python theme={null}
from pinecone import Pinecone, ServerlessSpec

pc = Pinecone(api_key="API_KEY")

JINA_API_KEY = ""
dimension = 1024

index_name = "jina-embeddings-v3"

if not pc.has_index(index_name):
    pc.create_index(
        name=index_name,
        dimension=dimension,
        metric="cosine",
        spec=ServerlessSpec(
            cloud='aws',
            region='us-east-1'
        )
    )

index = pc.Index(index_name)
```

## Embed & Upsert

```python theme={null}
from typing import literal, List
import requests

def get_embeddings(
	texts: List[str], 
	dimensions: int, 
	task: Literal['text-matching', 'separation', 'classification', 'retrieval.query', 'retrieval.passage']):
    headers = {
        'Content-Type': 'application/json',
        'Authorization': f'Bearer {JINA_API_KEY}'
    }
    data = {
        'input': texts,
        'model': 'jina-embeddings-v3',
        'dimensions': dimensions,
        'task': task
    }
    response = requests.post('https://api.jina.ai/v1/embeddings', headers=headers, json=data)
    return response.json()

# Data to index
data = [
	{"id": "vec1", "text": "Apple is a popular fruit known for its sweetness and crisp texture."},
	{"id": "vec2", "text": "The tech company Apple is known for its innovative products like the iPhone."},
	{"id": "vec3", "text": "Many people enjoy eating apples as a healthy snack."},
	{"id": "vec4", "text": "Apple Inc. has revolutionized the tech industry with its sleek designs and user-friendly interfaces."},
	{"id": "vec5", "text": "An apple a day keeps the doctor away, as the saying goes."},
]


embeddings = get_embeddings([d["text"] for d in data], dimensions=dimension, task='retrieval.passage')
embeddings = [e["embedding"] for e in embeddings["data"]]
vectors = []
for d, e in zip(data, embeddings):
	vectors.append({
		"id": d['id'],
		"values": e,
		"metadata": {'text': d['text']}
	})

index.upsert(
	vectors=vectors,
	namespace="ns1"
)
```

## Query

```python theme={null}
query = "Tell me about the tech company known as Apple"

# Remember to keep query and document embedding to the same dimensions
x = get_embeddings([query], dimensions=dimension, task='retrieval.query')["data"][0]["embedding"]

results = index.query(
    namespace="ns1",
    vector=x,
    top_k=3,
    include_values=False,
    include_metadata=True
)

print(results)
```

[Embedded content embed](https://www.pinecone.io/tools/index-creation/?indexName=jina-embeddings-v3&metrics=cosine,dot product&dimensions=1024,512&cloud=aws&region=us-east-1)

Lorem Ipsum

## Related pages

- [Account management](./account-management-index.md)
- [Admin](./admin-2-index.md)
- [Admin](./admin-index.md)
- [APIs](./apis-index.md)
- [Architecture](./architecture-index.md)
- [Assistants](./assistants-index.md)
- [Bring Your Own Cloud](./bring-your-own-cloud-index.md)
- [Build an assistant](./build-an-assistant-index.md)
- [Build an integration](./build-an-integration-index.md)
- [Changelog](./changelog-index.md)

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