cohere · Single modalityReleased 2026-10-21

rerank-v5-fast

cohere/rerank-v5-fast id

Cohere Rerank 5 Fast is a multilingual text reranking model optimized for low latency and high throughput in search and agent workflows. It ranks documents and semi-structured data across more than 100 languages, with calibrated relevance scores and a 32,768-token context window per query-document pair.

Type

Use rerank-v5-fast

# Drop-in OpenAI-compatible client
$ import { generateText } from 'ai'
$ 
$ const { text } = await generateText({
$   model: 'cohere/rerank-v5-fast',
$   baseURL: 'https://synapse.garden/api/v1',
$   apiKey: process.env.MG_KEY,
$   prompt: 'Why is the sky blue?',
$ })

32.8K

CONTEXT WINDOW

32.8K

MAX OUTPUT

$0.022/M

INPUT · PER M

—

OUTPUT · PER M

PRICING

List prices, every modality.

Rate	Per million tokens · USD
Input	$0.022/M
Output	—

Honest list pricesHow we calculate prices

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Model

Input

Output

Context

Type

FAQ · RERANK-V5-FAST

Frequently asked

01 / 04

How do I call rerank-v5-fast from my code?

Use the OpenAI or Anthropic SDK and point baseURL at https://synapse.garden/api/v1. Set model: ‘cohere/rerank-v5-fast’ and supply your Synapse Garden API key. No code changes beyond the base URL.

02 / 04

How much does rerank-v5-fast cost?

Input: $0.022/M per million tokens. The free tier includes a million tokens every month at no cost.

03 / 04

What's the context window for rerank-v5-fast?

rerank-v5-fast supports a context window of 32.8K tokens, with a maximum output of 32.8K tokens.

04 / 04

Do I need a separate Anthropic or OpenAI account?

No. Synapse Garden is the single API surface — one key gives you OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, xAI, Cohere, and more. Billing, rate limits, and audit logs are unified.

READY

Try rerank-v5-fast in three minutes.

Sign up, create a key, drop our base URL into your existing client. The free tier includes a million tokens every month — no credit card.

Start free Quickstart