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jina-embeddings-v3

Freemium$0.018 per 1M tokens (Jina API)API

Jina's multilingual embedding model that converts text into dense vectors for semantic search and retrieval applications.

$0.018 per 1M tokens (Jina API) · Free tier: Weights downloadable under CC BY-NC 4.0 for non-commercial research and personal use only; commercial deployment requires paid Jina API or commercial license

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Pricing

Model
Per-token
Price
$0.018 per 1M tokens (Jina API)
Free Tier
Weights downloadable under CC BY-NC 4.0 for non-commercial research and personal use only; commercial deployment requires paid Jina API or commercial license

Summary

Jina Embeddings v3 is a text-to-vector embedding model designed to power semantic search, retrieval-augmented generation (RAG), and similarity matching across documents. It handles multilingual input and long-context documents, competing directly with OpenAI's text-embedding models and open-source alternatives like BGE. Jina offers a freemium tier with API access and paid plans scaling by token volume; exact pricing depends on usage tier but starts free for evaluation. The main trade-off: vendor lock-in through their API, plus the embedding quality lives or dies by how well it generalizes to your specific domain versus commodity alternatives.

Bottom line: *Use this when you need a managed multilingual embedding service; avoid it if you want to run embeddings locally or require maximum model transparency.*

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Pros

  • On MTEB evaluations, achieves 65.52 average across all tasks, with particularly strong performance in classification (82.58) and sentence similarity (85.80).
  • Supports 89 languages in total, including 30 languages with the best performance across major regions.
  • Maintains 92% of retrieval performance at 64 dimensions compared to full 1024 via Matryoshka learning, enabling storage and latency savings.
  • Requires significantly less GPU memory than larger alternatives, and AWS SageMaker integration provides a streamlined path to production deployment.
  • Compared to LLM-based embeddings like e5-mistral-7b (12x larger, 4x higher output dimension), offers only 1% improvement on MTEB English while being far more cost-efficient for production.

Cons

  • The XLMRobertaLoRA architecture is incompatible with optimum, which breaks async batching libraries like infinity that rely on it for efficient serving.
  • OpenAI text-embedding-3-large delivers better accuracy (nDCG@10: 0.709 vs 0.674) and is 205ms faster on average, widening the performance gap at production scale.
  • The model excels in multilingual applications but may require additional evaluation for low-resource languages.
  • The API intentionally throttles throughput to manage costs; users should not expect high-volume or production-level throughput.

About

API Available
Yes
Self-Hosted
No
Last Updated
April 12, 2026

Best For

Who it's for

  • Teams building multilingual retrieval systems across 30+ languages where OpenAI and Cohere APIs aren't available or compliant.
  • Self-hosted deployments where LoRA adapter limitations can be worked around and efficiency doesn't depend on optimum.
  • RAG pipelines where dimension reduction via Matryoshka learning reduces vector storage cost and latency.
  • Long-document retrieval tasks up to 8K tokens where late chunking preserves contextual embeddings.

What it does well

  • Multilingual semantic search across Arabic, Chinese, English, French, German, Japanese, Korean, Spanish, and 20+ other languages.
  • Long-document Q&A and retrieval where full documents (up to 8192 tokens) are embedded once via late chunking.
  • Cost-optimized vector storage where embedding dimension is truncated from 1024 to 64–512 without significant accuracy loss.
  • On-premises or VPC-bound RAG where data cannot leave the security boundary and self-hosting is required.

Frequently Asked Questions

Is jina-embeddings-v3 free?
jina-embeddings-v3 offers a free option alongside paid upgrades. Pricing: $0.018 per 1M tokens (Jina API). Check the current allowances and terms before choosing a plan.
Does jina-embeddings-v3 have an API?
Yes. jina-embeddings-v3 exposes a developer API. See the official documentation at https://jina.ai for details.
paid

Jina's multilingual embedding model that converts text into dense vectors for semantic search and retrieval applications.

Jina Embeddings v3 is a text-to-vector embedding model designed to power semantic search, retrieval-augmented generation (RAG), and similarity matching across documents. It handles multilingual input and long-context documents, competing directly with OpenAI's text-embedding models and open-source alternatives like BGE. Jina offers a freemium tier with API access and paid plans scaling by token volume; exact pricing depends on usage tier but starts free for evaluation. The main trade-off: vendor lock-in through their API, plus the embedding quality lives or dies by how well it generalizes to your specific domain versus commodity alternatives.

*Use this when you need a managed multilingual embedding service; avoid it if you want to run embeddings locally or require maximum model transparency.*

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