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Rerank 4.0 Fast

Chat
cohere/rerank-v4.0-fast

33K context · Dec 2025 · 2 upstreams

Cohere's Rerank 4.0 Fast is the low-latency Rerank 4 variant. It scores how relevant each document is to a query across 100+ languages. Use it as a second stage after vector or keyword search when latency matters more than the last bit of quality.

context
33K
input / 1M
$2.00
output / 1M
$0
routes
2
speed, 24h
—

Upstreams

2
  1. 1CoherePlatform · your credits$2.00 / $0TPS —TTFT ——
  2. 2CohereYour key · not addedyour planTPS —TTFT ——
  • Up
  • No traffic
  • Down

Try it

Rank documents for a query

Details

Owner
Cohere
Kind
Rerank
Released
Dec 2025
Context
33K
Data policy
Provider retention
Endpoint
/api/v1/rerank

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "cohere/rerank-v4.0-fast",
    "messages": [
      {"role": "user", "content": "Say hi in 3 words."}
    ]
  }'