Nomic Embed Text v1.5

Popular
huggingface
Embeddings

Nomic AI open embedding model with a fully reproducible training pipeline (open weights, data and code). Supports an 8192-token context and Matryoshka representation learning, so you can truncate the 768-dim output down to 64 dims with graceful quality loss. Uses task prefixes like search_query and search_document.

Embed with Nomic Embed Text v1.5
Vectorize text and preview the first 8 dimensions as a bar chart.
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Outputs a high-dimensional vector you can plug into RAG or search.
Vector preview appears here.
TL;DR·Last updated June 24, 2026

Nomic Embed Text v1.5 is embeddings AI model from huggingface, priced at €0.000 per 1M input tokens with a 8.2K tokens context window.

About this model

nomic-embed-text-v1.5 from Nomic AI is a long-context English embedding model released with open weights, open training data and open code for full reproducibility. It handles inputs up to 8192 tokens and was trained with Matryoshka representation learning, which means the 768-dim output can be truncated to smaller sizes (down to 64 dims) while keeping most of its retrieval quality, useful for cutting storage and search cost. Inputs are prefixed with task tags such as search_query, search_document, classification or clustering. Served through the Hugging Face feature-extraction pipeline; mean-pool and L2-normalize the token outputs.
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Pricing

Price per Generation
Per generation€1.00

API Integration

Use our OpenAI-compatible API to integrate Nomic Embed Text v1.5 into your application.

Install
npm install railwail
JavaScript / TypeScript
import railwail from "railwail";

const rw = railwail("YOUR_API_KEY");

const vectors = await rw.run("nomic-embed-text-v1-5", "Hello world", { type: "embed" });
console.log(vectors[0].length); // embedding dimensions

// Or use the embed() method for full control
const res = await rw.embed("nomic-embed-text-v1-5", ["Hello", "World"]);
for (const item of res.data) {
  console.log(item.embedding.length);
}
Specifications
Price
€1.00
Context window
8,192 tokens
Developer
huggingface
Category
Embeddings
Supported Formats
text
Tags
embedding
retrieval
rag
huggingface
nomic
matryoshka
long-context
open-weights

Frequently asked questions

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