{
  "$schema": "https://modeldeprecations.dev/api/v1/schema.json",
  "provider": "cohere",
  "model": "rerank-v4.0-fast",
  "name": "Rerank v4 Fast",
  "aliases": [],
  "description": "The latency-optimised half of the v4 rerank pair, same 32k window and a lower quality ceiling. Splitting rerank into fast and pro tiers is new in v4; every earlier generation shipped one model per language scope instead.",
  "status": "active",
  "replacements": [],
  "sources": [
    {
      "url": "https://docs.cohere.com/docs/models",
      "title": "Cohere models",
      "accessed": "2026-08-03"
    }
  ],
  "last_verified": "2026-08-03",
  "computed_status": "active",
  "asOf": "2026-08-03"
}