Using Cohere Rerank 3.5 on Vercel AI Gateway

Implementation guide · Cohere Rerank · Cohere

Serverless

Vercel AI Gateway exposes Cohere Rerank 3.5 through model ID cohere/rerank-v3.5. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-07-01. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at Vercel AI Gateway and generate an API key.
  2. 2
    Use the Vercel AI Gateway SDK or REST API to call cohere/rerank-v3.5 — see the documentation for request format.
API PortalDocumentationPricingModel Card

Code Examples

Install
pip install openai
API key
AI_GATEWAY_API_KEY
Model ID
cohere/rerank-v3.5

creator/model-name e.g. kwaipilot/kat-coder-pro-v2

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["AI_GATEWAY_API_KEY"],
    base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
    model="cohere/rerank-v3.5",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Pricing on Vercel AI Gateway

Capabilities

No model capability flags are currently sourced.

About Cohere Rerank 3.5

Cohere Rerank 3.5 is Cohere's Rerank model. It was released 2024-10-01.

Full model details →

Model Specs

Released2024-10-01

Also available on(1)

AWS Bedrock
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Provider

Vercel AI Gateway

Vercel