Cohere Rerank v4.0 vs Voyage-3

Pick two tools from the same category to compare side-by-side.

	Cohere Rerank v4.0 Cohere's current-generation reranking models (Pro and Fast variants) for boosting retrieval relevance in RAG and agent search.	Voyage-3 General-purpose text embedding model tuned for retrieval quality.
Category	model	model
Vendor type	commercial	commercial
Pricing	usage	usage
Strengths	+ Purpose-built second-stage reranking improves precision of any retriever + Multilingual and handles semi-structured JSON documents + Pro/Fast split lets builders trade quality against latency and throughput	+ Strong retrieval quality on general-domain text + API-based; no embedding infrastructure to host
Tradeoffs	− API-only (no open weights) − Adds an extra network hop and per-query cost to the retrieval pipeline	− API-only; document text leaves your environment to be embedded − Adds a second vendor alongside the generation model
Used in stacks	0	1