OpenAI API

The OpenAI API is the most comprehensive AI API available, offering text, image, audio, and vision capabilities.

What is the OpenAI API?

The OpenAI API provides programmatic access to GPT-4, DALL-E, Whisper, and other OpenAI models. Build AI-powered applications with the same technology behind ChatGPT.

Available Models

GPT-4o

• Flagship multimodal model
• Text, image, and audio understanding
• $5/million input, $15/million output tokens

GPT-4 Turbo

• 128K context window
• Vision capabilities
• $10/million input, $30/million output tokens

GPT-3.5 Turbo

• Fast and affordable
• Good for simple tasks
• $0.50/million input, $1.50/million output tokens

DALL-E 3

• Image generation
• $0.04-0.12 per image

Whisper

• Speech-to-text
• $0.006/minute

Key Features

Multimodal

Handle multiple input types:

• Text conversations
• Image understanding
• Audio transcription
• Voice generation

Fine-Tuning

Customize models:

• Train on your data
• Improve specific tasks
• Reduce prompting needs

Function Calling

Structured interactions:

• Define function schemas
• Get structured outputs
• Build tool-using agents

Getting Started

from openai import OpenAI

client = OpenAI()
response = client.chat.completions.create(
    model="gpt-4o",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

Pricing Highlights

Best Use Cases

Chatbots

Build conversational AI with GPT-4.

Content Generation

Generate text, images, and audio.

Code Assistance

Power development tools.

Voice Applications

Transcribe and generate speech.

OpenAI vs Anthropic API