Mastering Generative AI with OpenAI

Exploring ChatGPT

What is ChatGPT

Welcome to Section 3 of this lesson. Here, we’ll dive into ChatGPT from the OpenAI platform perspective, exploring its underlying GPT models, available tiers, and integration options.

Overview

ChatGPT is a conversational AI assistant built on OpenAI’s GPT (Generative Pre-trained Transformer) models.

  • Free tier: powered by GPT-3.5
  • Paid tier (ChatGPT Plus): powered by GPT-4
  • Mobile access: available via the ChatGPT iOS app

Note

ChatGPT’s training data cuts off in 2021, so it won’t know about events or developments after that year.

Free Version of ChatGPT

If you already have an OpenAI account, click Log in to access the free ChatGPT interface.

The image shows the ChatGPT interface with sections highlighting examples, capabilities, and limitations of the AI. It includes example prompts and descriptions of what the AI can and cannot do.

  • Prompt box: Enter your text prompt to guide the model’s response.
  • Examples & Capabilities: Predefined prompts and features you can try.
  • Limitations: Known model constraints and areas to watch out for.

Upgrading to ChatGPT Plus

To unlock GPT-4 and additional features:

  1. Click Upgrade to Plus in the ChatGPT web interface.
  2. Enter payment details ($20/month).
  3. Confirm your subscription.

Warning

ChatGPT Plus subscriptions are billed separately from your OpenAI API usage. Monitor both accounts to avoid unexpected charges.

Feature Comparison

FeatureFree (GPT-3.5)ChatGPT Plus (GPT-4)
ModelGPT-3.5GPT-4 (plus GPT-3.5 option)
PriceFree$20/month
Response speedStandardFaster
PluginsNot availableAvailable (e.g., Bing search)
Priority accessNoYes

For full pricing details, see the OpenAI Pricing page.

ChatGPT Plus and GPT-4

With ChatGPT Plus, you can:

  • Choose between GPT-3.5 and GPT-4
  • Leverage plugins to connect ChatGPT with external data sources
  • Enjoy priority access during peak usage times

Building Your Own Chatbot

Beyond the ChatGPT UI, you can embed GPT-powered chatbots into your own applications using the OpenAI API. This enables you to:

  • Automate customer support
  • Develop interactive educational tools
  • Create AI-driven assistants in web or mobile apps

By the end of this course, you’ll master:

  • Prompt design best practices
  • Prompt engineering techniques
  • Integration workflows with GPT-3.5 and GPT-4

Explore the next sections to start building AI-driven tools with OpenAI’s powerful models.

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