Embedding / RAG · Updated 2026-10-25
Voyage AI — what it is actually for
Voyage AI, part of MongoDB, provides text, multimodal, code, finance, and law embedding models plus rerankers. Usage is billed per token after a large one-time free allowance.
Short answer: use Voyage AI when you need rag retrieval with domain-specific embeddings. It is a free token allowance + usage-based api service from Voyage AI (MongoDB); the official pricing source is linked below.
- Vendor
- Voyage AI (MongoDB)
- Category
- Embedding / RAG
- Pricing model
- Free token allowance + usage-based API
- Free option
- Yes. Each account gets a one-time free allowance, such as 200M tokens for current models.
What Voyage AI is used for
- RAG retrieval with domain-specific embeddings
- Code search and technical documentation retrieval
- Reranking search results
Source: official product page and official documentation.
Who Voyage AI is for
- Teams that need domain-specific embeddings
- MongoDB-based RAG architectures
- Cost-sensitive retrieval at scale
Source: official documentation.
Who it is not for
- Buyers who need a monthly free reset
- Consumer use without development resources
Source: documented plans, limits, and deployment model on the official product page.
Pricing
- The first 200M tokens are free for current text embedding models such as voyage-4-large, voyage-4, voyage-4-lite, voyage-context-4, and voyage-code-3.Source: docs.voyageai.com
- After the free allowance, text embeddings cost US$0.02 to US$0.12 per 1M tokens depending on the model.Source: docs.voyageai.com
- Multimodal embeddings are billed per text token and per pixel; rerankers cost US$0.02 to US$0.05 per 1M tokens. Batch API usage does not use free credits.Source: docs.voyageai.com
The free allowance is described as a first-N-tokens allowance, not a monthly reset. Older models have smaller or no free allowances.
Full pricing page: https://docs.voyageai.com/docs/pricing
Alternatives to Voyage AI
- OpenAI Embeddings — Text embedding models billed per input token for search and RAG.
- Cohere Embed — Embed 5 Pro and Fast models with separate indexing and query pricing.
Official sources
Voyage AI FAQ
Is Voyage AI free?
Each account receives a one-time free token allowance. For current models the allowance is 200M tokens; older specialized models have smaller allowances.
Is the free allowance monthly?
No. Voyage describes the allowance as the first N tokens free for every account, not a monthly reset.
Does Voyage have rerankers?
Yes. Voyage publishes rerank models priced per token, with a separate free allowance.