Voyage AI vs Cohere Embed 4
Both are alternatives to OpenAI Embeddings API. Here's how they stack up — verified facts, no spin.
Also searched as Cohere Embed 4 vs Voyage AI — same comparison, one verdict.
Voyage AI
The benchmark leader — hosted accuracy worth paying for.
Voyage (now part of MongoDB) tops the retrieval benchmarks: voyage-3-large leads MTEB at $0.18/1M tokens, and voyage-4-lite price-matches OpenAI's small tier at $0.02 while sharing the flagship's embedding space. The honest hosted upgrade when retrieval quality directly drives your product.
Cohere Embed 4
The enterprise multilingual option with a 128k context.
Cohere's Embed 4 reads whole documents at once (128,000-token context), specializes in multilingual retrieval, and — unusually for hosted AI — deploys into AWS, Azure, or your own VPC for compliance-bound enterprises. $0.12 per million tokens.
Side by side
| Voyage AI | Cohere Embed 4 | |
|---|---|---|
| Sovereignty Score | 38 | 36 |
| Open source | No | No |
| Self-hostable | No | No |
| Local-first | No | No |
| License | Proprietary hosted service | Proprietary hosted service |
| Pricing | voyage-4-lite $0.02/1M · voyage-3-large $0.18/1M tokens | $0.12/1M tokens; private-deployment options for enterprise |
Voyage AI edges it on the Sovereignty Score, but the right pick depends on the trade-offs below.
Voyage AI
Strengths
- +Best measured retrieval quality on MTEB
- +Strong on code and technical documents
- +Lite tier price-matches OpenAI's small
Trade-offs
- −Hosted only — your corpus leaves your infrastructure
- −MongoDB-owned roadmap
- −Flagship pricing is the category's highest
Cohere Embed 4
Strengths
- +128k-token context — embed entire documents
- +Multilingual strength
- +VPC/private deployment paths for compliance
Trade-offs
- −Six times the price of the small tiers
- −Hosted service with enterprise sales gravity
Related alternative guides
Facts verified 2026-07-19. Licenses and pricing change — spotted something out of date? That's a correction we want.