Catalog Systems Embedding & reranker services Jina AI Embeddings

Jina AI Embeddings

https://jina.ai/embeddings/

Jina AI's embedding family — jina-embeddings-v3 (multilingual), jina-clip-v2 (text+image), jina-colbert-v2. Open-weights + hosted API + ColBERT-style.

Acquired. acquired by Elastic Source · Alternatives and migration notes →

Acquired · Verified 2026-10-29 · fresh as of 2026-10-29 · 21 cited facts, 0 with a third-party source · 4 recorded changes · Suggest a correction

At a glance

Type
Open embedding models + API vendor fix
Tier
T1
Section
Embedding & reranker services
Created
2023 vendor fix
Latest release
jina-embeddings-v5-omni (nano and small; 2026-05-07); reranker jina-reranker-v3.5 (2026-07-27) vendor fix
License
mixed — most recent open-weight models CC-BY-NC-4.0 (v3, v5-omni, v5-text, clip-v2, colbert-v2, reranker-v3; commercial licence via Elastic); jina-embeddings-v4 under the Qwen Research License (its model card says the initial CC-BY-NC-4.0 label was an error); some older models Apache-2.0 registry fix
GitHub
no dedicated embeddings repo (weights on Hugging Face); jina-ai/MCP ~841 stars, jina-ai/reader ~11.9k repo fix
Pricing
Hosted API: prepaid token packages with a free trial key and optional auto-recharge (pricing model since 2025-05-06); also on AWS SageMaker and Microsoft Azure; Jina On-Prem containers sold through Elastic Sales vendor fix
Funding
Acquired by Elastic (2025-10); previously ~$37.5M raised repo fix
Freshness
2026-10-29 fix
Layer
model-infra repo fix
Licensing
commercial registry fix
Deployment locus
hybrid vendor fix
Platform vs product
platform vendor fix
SDK languages
rest vendor fix
Protocols
mcp-server repo fix

When to use

Optimised for: searched not found

Anti-fit: searched not found

Pros & cons

Pros

searched not found

Cons

searched not found

Claims & capabilities

Jina raised $30M Series A 2022 at $300M+.

Technical surface

API surface
searched not found
Backend storage
searched not found
Deployment
Both (self-hosted + managed cloud) — hosted Jina API; open weights and jina-on-prem air-gapped Docker/K8s; SageMaker
Embedding model
searched not found
Multi-tenancy
searched not found
MCP
yes — official jina-ai/MCP remote server (mcp.jina.ai/v1; embeddings, rerank, reader, search tools)
A2A
searched not found
OpenTelemetry
searched not found

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Similar systems

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  • Voyage AI (MongoDB) T1

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  • Cohere Embed T1

    Cohere's hosted embedding models, now Embed 5 (2026-09-30; Pro and Fast tiers): text, image and fused text-plus-image inputs, 100+ languages, 128K-token context, Matryoshka output dimensions from 256 to 2048 with float, int8 and binary formats. Reranker API (Rerank 5).

  • OpenAI Embeddings T1

    OpenAI's hosted embedding API — text-embedding-3-small, text-embedding-3-large. Most widely used commercial embedding API in OSS RAG/memory stacks.

  • Hugging Face Inference API (Embeddings) T1

    HF's hosted Inference API and Inference Endpoints — serve any model from the Hub including the BGE/GTE/E5 embedding families.

  • Sentence Transformers T1

    Reimers & Gurevych's library for training sentence embeddings — substrate under most open-weight embedding models. Now under Hugging Face.

  • Mistral Embed T2

    Mistral AI's hosted embedding API — mistral-embed; available via Mistral La Plateforme and Azure AI.

Sources (20 cited facts, 0 third-party)

Each fact links to the page it came from; the badge says who published it (how to read sources).

What changed

Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)

  1. 2026-10-29
    • License “mixed — many recent open-weight models CC-BY-NC-4.0 (commercial licence via Elastic); some older models Apache-2.0” → “mixed — most recent open-weight models CC-BY-NC-4.0 (v3, v5-omni, v5-text, clip-v2, colbert-v2, reranker-v3; commercial licence via Elastic); jina-embeddings-v4 under the Qwen Research License (its model card says the initial CC-BY-NC-4.0 label was an error); some older models Apache-2.0” source
    #307
  2. 2026-10-29
    • Pricing first recorded as “Hosted API: prepaid token packages with a free trial key and optional auto-recharge (pricing model since 2025-05-06); also on AWS SageMaker and Microsoft Azure; Jina On-Prem containers sold through Elastic Sales” source
    #305
  3. 2026-10-28
    • Latest release first recorded as “jina-embeddings-v5-omni (nano and small; 2026-05-07); reranker jina-reranker-v3.5 (2026-07-27)” source
    #293
  4. 2026-10-26
    • License “Apache-2.0 (open weights)” → “mixed — many recent open-weight models CC-BY-NC-4.0 (commercial licence via Elastic); some older models Apache-2.0” source
    • Funding / ownership “$37.5M total raised through Series A 2021 (Canaan Partners led).” → “Acquired by Elastic (2025-10); previously ~$37.5M raised” source
    • Deployment first recorded as “Both (self-hosted + managed cloud) — hosted Jina API; open weights and jina-on-prem air-gapped Docker/K8s; SageMaker” source
    • MCP support first recorded as “yes — official jina-ai/MCP remote server (mcp.jina.ai/v1; embeddings, rerank, reader, search tools)” source
    #258

Related systems

Referenced by (13)

  • Chroma integrates with — Chroma's docs have a Jina AI Embeddings integration page. (verified 2026-10-29)
  • Elasticsearch integrates with — Elastic Search Labs has a Jina AI Embeddings integration page. (verified 2026-10-29)
  • Haystack (framework) integrates with — Haystack integrations directory has a Jina AI integration page ("Use the latest Jina AI embedding models"). (verified 2026-10-29)
  • LanceDB integrates with — LanceDB's docs have a Jina AI Embeddings integration page. (verified 2026-10-29)
  • LiteLLM integrates with — LiteLLM docs have a Jina AI provider page. (verified 2026-10-29)
  • LlamaIndex (framework) integrates with — LlamaIndex has an official embeddings integration package llama-index-embeddings-jinaai in its repo. (verified 2026-10-29)
  • Milvus integrates with — Milvus's integrations overview lists a Milvus + Jina AI Embeddings integration tutorial. (verified 2026-10-29)
  • Phidata (now Agno) integrates with — Agno ships a jina embedder (agno.knowledge.embedder.jina). (verified 2026-10-29)
  • Pinecone integrates with — Pinecone's integrations directory has a Jina AI Embeddings integration page. (verified 2026-10-29)
  • Portkey AI integrates with — Portkey docs have a Jina AI LLM provider integration page. (verified 2026-10-29)
  • Qdrant integrates with — Qdrant's documentation has a Jina AI Embeddings integration page. (verified 2026-10-29)
  • Vercel AI SDK integrates with — AI SDK docs have a Jina AI community provider page. (verified 2026-10-29)
  • Weaviate integrates with — Weaviate's integrations / model-provider docs list Jina AI Embeddings as an integration. (verified 2026-10-29)