Using GPT-4o (05-13) on OpenAI API

Implementation guide · GPT-4o · OpenAI

Serverless

OpenAI API exposes GPT-4o (05-13) through model ID gpt-4o-2024-05-13. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-05-10. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at OpenAI API and generate an API key.
  2. 2
    Use the OpenAI API SDK or REST API to call gpt-4o-2024-05-13 — see the documentation for request format.
  3. 3
    You'll be billed $2.50/1M input, $10.00/1M output tokens. See full pricing.

Code Examples

Install
pip install openai
API key
OPENAI_API_KEY
Model ID
gpt-4o-2024-05-13

Use the model slug directly, e.g. "gpt-4o" or "gpt-4.1-mini".

import os
from openai import OpenAI

client = OpenAI()  # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
    model="gpt-4o-2024-05-13",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Pricing on OpenAI API

TypePrice (per 1M)
Input tokens$2.50
Output tokens$10.00
Image input$3.83

Capabilities

VisionMultimodalStructured OutputsCode Execution

About GPT-4o (05-13)

GPT-4o, or GPT-4 Omni, is OpenAI's premier multimodal AI model, introduced on May 13, 2024. It is designed to handle and generate content from various input types, including text, audio, and visual data, using a unified model, unlike its predecessors which required separate models for different modalities. This model is notable for its rapid response times averaging 320 milliseconds, which align with human conversational speed, along with being 50% more cost-effective than GPT-4 Turbo. Although it mirrors GPT-4 Turbo in standard benchmark performance, GPT-4o excels in multilingual, audio, and vision tasks.

Model Specs

Released2024-05-13
Parameters1.76T (8x222B MoE)*
Context128k
ArchitectureMixture of Experts
Knowledge cutoff2023-10

Provider

OpenAI API

OpenAI

San Francisco, California, United States