Voyage AIVoyage 4
voyage-4
Voyage 4 is the mid-sized hosted encoder in its family.
Model design
It shares an embedding space with Large, Lite and Nano. Supported output sizes are 256, 512, 1,024 and 2,048 dimensions.Voyage 4 model family
Practical use
Practical guidance. A shared space lets an application change its query encoder without replacing every stored document vector. Keep output dimensions and normalization consistent. Measure retrieval changes before changing both sides at once.
Specifications & access
| Detail | Value and conditions |
|---|---|
| Launch date | |
| Access | API |
| Atlas lifecycle | ActiveMongoDB Voyage AI model lifecycle: Atlas scope and release history |
| Input limit | 32,000 tokensMongoDB Voyage AI model specifications |
Related models
- voyage-4-lite
Voyage AI · Voyage 4
Smaller hosted text encoder in the shared Voyage 4 family.
Launch date API - voyage-4-large
Voyage AI · Voyage 4
Mixture-of-experts text embeddings with a shared Voyage 4 vector space.
Launch date API - voyage-4-nano
Voyage AI · Voyage 4
Downloadable multilingual embedding model with bidirectional attention.
Launch date Downloadable