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OpenSearch:Models

Last Updated:Mar 19, 2025

OpenSearch Vector Search Edition supports built-in models and custom models. You can view and manage the models on the Models page of the OpenSearch console.

Custom models

If you want to call a custom model, you can add the model in the OpenSearch console and select the model when you configure tables. For more information, see Custom models.

Built-in models

Model ID

Model name

Model type

Model description

clip

General-purpose Image-to-Vector Model - 512 Dimensions

Image vectorization

Serves as a general-purpose image-to-vector model that supports both image-to-image and text-to-image search scenarios. The model has an output vector dimension of 512.

clip_ecom

Enhanced Image-to-Vector Model for E-commerce - 512 Dimensions

Image vectorization

Serves as an image-to-vector model specifically enhanced for e-commerce scenarios. The model supports both image-to-image and text-to-image search scenarios and has an output vector dimension of 512.

ops-text-embedding-1024-000-20231001

Enhanced Chinese Text-to-Vector Model - 768 Dimensions

Text vectorization

Supports the conversion of Chinese text into vector representations. The model accepts Chinese text with a maximum length of 1,024 tokens and has an output vector dimension of 768.

ops-text-embedding-512-000-20231001

Enhanced Chinese Text-to-Vector Model - 768 Dimensions

Text vectorization

Supports the conversion of Chinese text into vector representations. The model accepts Chinese text with a maximum length of 512 tokens and has an output vector dimension of 768.

ops-text-embedding-128-000-20231001

Enhanced Chinese Text-to-Vector Model - 768 Dimensions

Text vectorization

Supports the conversion of Chinese text into vector representations. The model accepts Chinese text with a maximum length of 128 tokens and has an output vector dimension of 768.

ops-text-embedding-512-en-000-20231001

Enhanced English Text-to-Vector Model - 768 Dimensions

Text vectorization

Supports the conversion of English text into vector representations. The model accepts English text with a maximum length of 512 tokens and has an output vector dimension of 768.

ops-text-embedding-128-en-000-20231001

Enhanced English Text-to-Vector Model - 768 Dimensions

Text vectorization

Supports the conversion of English text into vector representations. The model accepts English text with a maximum length of 128 tokens and has an output vector dimension of 768.