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    13. © 2025 OpenRouter, Inc

    Sentence Transformers: paraphrase-MiniLM-L6-v2

    sentence-transformers/paraphrase-minilm-l6-v2

    Created Nov 18, 2025512 context
    $0.005/M input tokens$0/M output tokens

    The paraphrase-MiniLM-L6-v2 embedding model converts sentences and short paragraphs into a 384-dimensional dense vector space, producing high-quality semantic embeddings optimized for paraphrase detection, semantic similarity scoring, clustering, and lightweight retrieval tasks.

    Sample code and API for paraphrase-MiniLM-L6-v2

    OpenRouter normalizes requests and responses across providers for you.

    OpenRouter provides an OpenAI-compatible embeddings API that you can call directly, or using the OpenAI SDK.

    In the examples below, the OpenRouter-specific headers are optional. Setting them allows your app to appear on the OpenRouter leaderboards.

    Using third-party SDKs

    For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.

    See the Request docs for all possible fields, and Parameters for explanations of specific sampling parameters.