Jina Embeddings v5 Text Small is a 677M-parameter multilingual text embedding model with a 32K-token context window, Matryoshka dimensions from 32 to 1024, and task-specific LoRA adapters for retrieval, classification, separation, and text matching across 30+ languages.
Jina Embeddings v5 Text Small is the latest generation of Jina AI's open-weight text embedding family, distilling the quality of 4B-parameter teacher models into a sub-1B footprint. With 677M parameters and a 32,768-token context window, it embeds full research papers, legal contracts, and long documents in a single pass, with no chunking required.
The model supports 30+ languages with state-of-the-art retrieval quality (MTEB English average 67.1, multilingual average 65.8). Matryoshka Representation Learning lets you truncate embeddings from 1024 down to 32 dimensions without retraining, trading storage cost for marginal recall loss. Five task-specific LoRA adapters (retrieval.query, retrieval.passage, clustering, classification, and text-matching) let a single deployed model serve diverse downstream workloads.
Highlights
Long-context multilingual embeddings: 32,768-token window and coverage for 30+ languages let you embed entire documents without chunking and search across language boundaries with state-of-the-art quality.
Matryoshka dimensions from 32 to 1024: truncate embeddings at inference time to match your storage and latency budget. One model, many deployment profiles; no separate training runs for small-vector use cases.
Five task-specific LoRA adapters in one model: switch between retrieval.query, retrieval.passage, separation, classification, and text-matching per request. Replace a stack of single-purpose embedders with one endpoint.
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You pay by the hour for the GPU instance that runs the text embedding model. Two inference modes are available: batch mode for processing large volumes at once, and real-time mode for live requests. Batch mode runs on g4dn instances plus two g5/g6 options. Real-time mode runs on a range of g5 and g6 instances. Within each mode, larger instance sizes carry more compute, so the hourly rate rises as you scale up. You choose the mode and instance size that match your workload; there is no upfront commitment.
Top-of-mind questions for buyers
What do I get for each hourly instance charge on this listing?
You pay for one running GPU instance per hour. Each instance type maps to fixed AWS hardware, so larger sizes give more GPU memory and compute. The hourly software rate covers the model running on that instance; underlying AWS infrastructure fees apply separately.
Am I charged when an instance is stopped or idle?
Charges accrue per hour while the instance runs. Stopping the instance ends the hourly software charge. Batch mode meters processing time for the job, while real-time mode meters the endpoint's running hours whether or not requests arrive. Stopped endpoints do not accrue software charges.
How does batch inference billing differ from real-time inference billing?
Batch mode runs an instance to process a fixed set of inputs, then stops, so you pay for the job duration. Real-time mode keeps an endpoint running to answer live requests, so you pay for all hours the endpoint stays active. Batch suits bulk jobs; real-time suits continuous serving.
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An Amazon SageMaker model package is a pre-trained machine learning model ready to use without additional training. Use the model package to create a model on Amazon SageMaker for real-time inference or batch processing. Amazon SageMaker is a fully managed platform for building, training, and deploying machine learning models at scale.
Deploy the model on Amazon SageMaker AI using the following options:
Real-time inference
Deploy the model as an API endpoint for your applications. When you send data to the endpoint, SageMaker processes it and returns results by API response. The endpoint runs continuously until you delete it. You're billed for software and SageMaker infrastructure costs while the endpoint runs. AWS Marketplace models don't support Amazon SageMaker Asynchronous Inference. For more information, see Deploy models for real-time inference .
Batch transform
Deploy the model to process batches of data stored in Amazon Simple Storage Service (Amazon S3). SageMaker runs the job, processes your data, and returns results to Amazon S3. When complete, SageMaker stops the model. You're billed for software and SageMaker infrastructure costs only during the batch job. Duration depends on your model, instance type, and dataset size. AWS Marketplace models don't support Amazon SageMaker Asynchronous Inference. For more information, see Batch transform for inference with Amazon SageMaker AI .
Version release notes
Initial release
Additional details
Inputs
Outputs
Usage instructions
Sample notebooks
Inputs
Summary
The model accepts JSON inputs. Texts must be passed in the following format.
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Jina Embeddings v5 Omni Small is a 1.56B-parameter multimodal embedding model that maps text, images, video, audio, and PDFs into a single shared vector space, with a 32K-token text context, Matryoshka dimensions from 32 to 1024, and task-specific LoRA adapters for retrieval, classification, clustering, and text matching across 30+ languages.
Jina Embeddings v5 Text Nano is a 239M-parameter multilingual text embedding model with an 8K-token context window, Matryoshka dimensions from 32 to 768, and task-specific LoRA adapters for retrieval, classification, clustering, and text matching across 30+ languages.
Jina Embeddings v5 Omni Nano is a 1.04B-parameter multimodal embedding model that maps text, images, video, audio, and PDFs into a single shared vector space, with an 8K-token text context, Matryoshka dimensions from 32 to 768, and task-specific LoRA adapters for retrieval, classification, clustering, and text matching, with multilingual support across dozens of languages.
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