ChatGPT and OpenAI's AI Models: Features, Use Cases, and API Pricing

In this blog, we will explore the features, use cases, and API pricing for each OpenAI model to help you determine which AI tool best suits your needs.

AI NEWS

nikunj irani - energy2karma

2/12/20253 min read

Introduction

Artificial Intelligence has revolutionized the way businesses and individuals interact with technology. OpenAI offers multiple AI models, including ChatGPT, DALL·E, Whisper, and Codex, each serving different purposes, from text generation to image creation, speech-to-text conversion, and coding assistance.

1. ChatGPT Models (GPT-3.5, GPT-4, and GPT-4 Turbo)

🔹 ChatGPT-3.5

Overview

ChatGPT-3.5 is a fast and cost-effective model designed for general-purpose text generation. It performs well for conversational tasks but lacks some of the deeper reasoning abilities of GPT-4.

🔹 Use Cases

  1. Customer Support Bots – Automate responses to FAQs.

  2. Content Creation – Generate blogs, articles, product descriptions, and emails.

  3. Basic Coding Assistance – Provide quick code snippets and explanations.

  4. SEO and Digital Marketing – Create optimized content for search engines.

💰 API Pricing

  • Input: $0.0015 per 1,000 tokens

  • Output: $0.002 per 1,000 tokens

(1,000 tokens ≈ 750 words of input or output)

🔹 ChatGPT-4

Overview

ChatGPT-4 is a more advanced model with better reasoning, factual accuracy, and nuanced responses. It is ideal for complex tasks requiring higher levels of intelligence.

🔹 Use Cases

  1. Advanced Research Assistance – Summarize academic papers and generate reports.

  2. Legal & Business Document Drafting – Write contracts, legal notes, and business plans.

  3. AI-powered Virtual Assistants – Provide intelligent responses with in-depth analysis.

  4. Complex Coding Help – Debug and explain programming logic in detail.

💰 API Pricing

  • Input: $0.03 per 1,000 tokens

  • Output: $0.06 per 1,000 tokens

🔹 ChatGPT-4 Turbo

Overview

GPT-4 Turbo is a faster and cheaper version of GPT-4, optimized for real-time applications with similar accuracy and efficiency.

🔹 Use Cases

  1. Real-time AI Chatbots – Deploy interactive customer service AI.

  2. AI-Powered Productivity Tools – Automate writing, summarization, and scheduling tasks.

  3. Business Analytics & Insights – Process large datasets and generate insights.

  4. Social Media Content Creation – Generate posts, captions, and ad copies.

💰 API Pricing

  • Input: $0.01 per 1,000 tokens

  • Output: $0.03 per 1,000 tokens

2. DALL·E (AI Image Generation)

Overview

DALL·E is OpenAI’s AI-powered image generation model that creates images from text prompts.

🔹 Use Cases

  1. Graphic Design & Branding – Create unique logos, posters, and advertisements.

  2. Marketing & Social Media – Generate high-quality visuals for campaigns.

  3. E-commerce & Product Mockups – Visualize product prototypes before production.

  4. Gaming & Animation – Conceptualize character designs and backgrounds.

💰 API Pricing

  • Cost: Varies based on image resolution.

    • 1024×1024 px: $0.020 per image

    • 1792×1024 px or 1024×1792 px: $0.040 per image

3. Whisper (AI Speech-to-Text)

Overview

Whisper is OpenAI’s speech-to-text model, capable of transcribing audio into text with high accuracy.

🔹 Use Cases

  1. Podcast & Video Transcription – Convert spoken content into text for blogs or subtitles.

  2. Meeting & Interview Notes – Automatically transcribe discussions for reference.

  3. Multilingual Subtitles – Generate subtitles for videos in different languages.

  4. Voice Command Systems – Enable AI assistants to recognize spoken commands.

💰 API Pricing

  • $0.006 per minute of audio processed

4. Codex (AI Coding Assistant)

Overview

Codex is OpenAI’s model designed for code generation and explanation.

🔹 Use Cases

  1. Automated Code Generation – Write Python, JavaScript, and other programming languages.

  2. Bug Fixing & Debugging – Identify errors and suggest fixes.

  3. API Documentation Assistance – Generate explanations for API functions.

  4. Programming Education – Help beginners learn how to code with AI tutoring.

💰 API Pricing

Codex has been integrated into ChatGPT, and GPT-4 Turbo now handles coding tasks. So, use ChatGPT-4 Turbo for coding help.

5. OpenAI API for Developers

Developers can integrate OpenAI’s models into their applications through APIs. Here’s a quick comparison:

Final Thoughts: Which OpenAI Model Should You Use?

Whether you need an AI chatbot, AI-generated images, or speech-to-text conversion, OpenAI offers cost-effective and powerful solutions.

Need Help Implementing AI in Your Business?

If you’re looking to integrate OpenAI models into your applications, automate workflows, or run AI-driven campaigns, feel free to reach out to us.

📩 Contact Us:
🌐 Website: www.energy2karma.in
📧 Email: nikunjirani@gmail.com
📞 Phone: +91 7506914127

Let’s make AI work for you! 🚀

picture of comparison between ai models in open ai 2025
picture of comparison between ai models in open ai 2025
Api calling cost in all chat gpt models
Api calling cost in all chat gpt models