Using GPT-4 Turbo on Vercel AI Gateway

Implementation guide · GPT-4 · OpenAI

Serverless

Vercel AI Gateway exposes GPT-4 Turbo through model ID openai/gpt-4-turbo. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-06-29. Next refresh: weekly.

Quick Start

1
Create an account at Vercel AI Gateway and generate an API key.
2
Use the Vercel AI Gateway SDK or REST API to call openai/gpt-4-turbo — see the documentation for request format.
3
You'll be billed $10.00/1M input, $30.00/1M output tokens. See full pricing.

API Portal Documentation Pricing Model Card

Code Examples

Install

pip install openai

API key

AI_GATEWAY_API_KEY

Model ID

openai/gpt-4-turbo

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="openai/gpt-4-turbo",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)