What is voyage-4-large and what is it good for?

voyage-4-large is a high-accuracy multilingual text embedding model. Typical uses are high-precision retrieval, legal and technical document search, multilingual knowledge bases and reranking pipelines.

What context window does voyage-4-large have?

It accepts up to 32K tokens per input.

How do I access voyage-4-large from inside Iran?

Create an account on Hormouz and generate an API key. Hormouz provides a stable path to the model from inside Iran, with no foreign credit card or circumvention tooling required.

Is voyage-4-large compatible with the OpenAI embeddings API?

Yes. Call the /v1/embeddings endpoint on Hormouz with your Hormouz key, using the same request shape as the OpenAI SDK.

VoyageAI by MongoDB: voyage-4-large: AI model

voyage-4-large is a high-accuracy multilingual text embedding model from Voyage AI, with a 32K-token context. Reachable from inside Iran through Hormouz.

Context window:: 32,000 tokens
Input:: $0.12/1M tokens
Output:: $0/1M tokens
Type:: embedding

Embeddings

voyage-4-large is the most accurate model in Voyage AI's voyage-4 family: a general-purpose, multilingual embedding model optimised for retrieval quality. Use it where finding exactly the right passage matters more than cost. It supports 2048, 1024, 512 and 256 dimensions with several quantisation options.

The model handles up to 32K tokens of input per request. Through Hormouz it is served behind an OpenAI-compatible embeddings API: point your base URL at Hormouz and drop in a Hormouz key. Pricing is usage-based at $0.12 per million input tokens. There is no fixed monthly fee.

Hormouz provides stable access to the model from inside Iran, with no foreign credit card or circumvention tooling required.

voyage-4-large is a state-of-the-art general-purpose and multilingual embedding optimized for retrieval quality. Enabled by Matryoshka learning and quantization-aware training, voyage-4-large supports embeddings in 2048, 1024, 512, and 256 dimensions, with...

Quickstart

curl https://api.hormouz.net/v1/embeddings \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"voyageai/voyage-4-large","input":"The quick brown fox"}'

Specs

Vendor	Voyage AI
Type	Embedding
Context window	32,000 tokens
Pricing	$0.12/M in · $0.00/M out
API	embeddings

Code example

cURL

curl https://api.hormouz.net/v1/embeddings \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"voyageai/voyage-4-large","input":"The quick brown fox"}'

Python

from openai import OpenAI
client = OpenAI(api_key="ng-YOUR_API_KEY", base_url="https://api.hormouz.net/v1")
resp = client.embeddings.create(model="voyageai/voyage-4-large", input="The quick brown fox")
print(resp.data[0].embedding)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ apiKey: "ng-YOUR_API_KEY", baseURL: "https://api.hormouz.net/v1" });
const resp = await client.embeddings.create({
  model: "voyageai/voyage-4-large",
  input: "The quick brown fox",
});
console.log(resp.data[0].embedding);

Buy the VoyageAI by MongoDB: voyage-4-large API, paid in rial

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One Hormouz key reaches VoyageAI by MongoDB: voyage-4-large and 600+ other models, and you pay only for what you use.
No VPN and no risk of a banned account; just change the base URL to api.hormouz.net/v1.

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FAQ

What is voyage-4-large and what is it good for?: voyage-4-large is a high-accuracy multilingual text embedding model. Typical uses are high-precision retrieval, legal and technical document search, multilingual knowledge bases and reranking pipelines.
What context window does voyage-4-large have?: It accepts up to 32K tokens per input.
How much does voyage-4-large cost?: Pricing is usage-based at $0.12 per million input tokens. There is no fixed monthly fee. You pay only for what you use.
How do I access voyage-4-large from inside Iran?: Create an account on Hormouz and generate an API key. Hormouz provides a stable path to the model from inside Iran, with no foreign credit card or circumvention tooling required.
Is voyage-4-large compatible with the OpenAI embeddings API?: Yes. Call the /v1/embeddings endpoint on Hormouz with your Hormouz key, using the same request shape as the OpenAI SDK.

Updated 2026-10-13