That's NeuralModel catalog

mongodb

VoyageAI by MongoDB: voyage-4

mongodb/voyage-4

Our take

AI-assisted analysis based on the sources below. Suitability is an editorial assessment; test it on your own workload.

According to its OpenRouter catalog entry, mongodb/voyage-4 (canonical ID voyageai/voyage-4-20260727) is a text-to-embeddings model from MongoDB's VoyageAI line. The catalog describes it as a general-purpose embedding model with multilingual coverage, optimized for retrieval, search, and AI applications, with a 32,000-token context window. These are source-reported capabilities: the listing includes no benchmark results, and no independent model card was available in this source pack, so real-world performance remains unverified.[1]

Strengths

  • Catalog-described general-purpose embedding model covering multilingual text, positioned for retrieval, search, and AI applications.[1]
  • Accepts text input and produces embedding output, with a catalog-listed 32,000-token context window.[1]
  • Carries a dated canonical identifier, voyageai/voyage-4-20260727, indicating a versioned model snapshot.[1]

Limitations

  • All evidence comes from a single OpenRouter catalog entry; no independent model card was available in this source pack.[1]
  • The listing reports no benchmark scores or measured performance, so capability claims are unverified and should be validated on your own data.[1]
  • The catalog does not document supported parameters, a knowledge cutoff, or other configuration details.[1]

Where to use it

  • Worth evaluating for semantic search and document retrieval indexing, matching the catalog's stated positioning.[1]
  • A candidate to test for multilingual embedding workloads, given the catalog's claimed coverage.[1]
  • Could be piloted as the embedding stage in retrieval-augmented generation pipelines, subject to workload validation.[1]

Sources

  1. [1] OpenRouter catalog · VoyageAI by MongoDB: voyage-4Sources checked: Nov 13, 2026

About this model

Description below is the original text supplied by OpenRouter, shown in the source language.

voyage-4 is a general-purpose (including multilingual) embedding model optimized for retrieval/search and AI applications. voyage-4 supports embedd about voyage-4 here: [mongodb.com/products/platform/ai-search-and-retrieval/models](https://www.mongodb.com/products/platform/ai-search-and-retrieval/models?utm_source=openrouter&utm_medium=referral)

Specifications

Model ID
mongodb/voyage-4
Canonical ID
voyageai/voyage-4-20260727
Creator
mongodb
Added to OpenRouter
27.07.2026
Context length
32,000
Modality
text->embeddings
Input modalities
text
Output modalities
embeddings
Token pricing
USD per 1M tokens: in $0.060 / out $0
Knowledge cutoff
—
Expiration date
—

Tasks and capabilities

A grade appears only where the source supplies a matching measurement for that task, the model is active and the cohort holds at least 10 comparable models. The capability column lists facts the source declares — supported formats, reasoning and tool parameters — which are not measured quality.

TaskGradeSource-declared capability
General qualityNo measurement—
CodingNo measurement—
AgentsNo measurement—
WritingNo measurement—
ReasoningNo measurement—
Document analysisNo measurement—
VisionNo measurement—
Image generationNo measurement—
AudioNo measurement—
VideoNo measurement—
EmbeddingsNo measurementoutput: embeddings

Evaluations

No evaluations are supplied for this model.

How grades work

Each letter grade compares a model only against other models scored by the same source and metric in the current snapshot. S means the top 10%, A the next 20%, B the next 30%, C the rest. Models without a published measurement are shown as not rated — a supported format alone never implies measured quality.

  • S — S — top 10% of the cohort
  • A — A — next 20% of the cohort
  • B — B — next 30% of the cohort
  • C — C — below the B band

Providers

Optional live provider statistics from OpenRouter. Missing values are unknown, not zero.

ProviderContext lengthPrice in /1MPrice out /1MLatency p50 (30m, s)Throughput p50 (30m, tok/s)Uptime (30m)
VoyageAI by MongoDB32,000$0.060$0——100%

Provider data retrieved: 13.11.2026

No published articles identify this model yet.