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
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.
- 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:- Click Upgrade to Plus in the ChatGPT web interface.
- Enter payment details ($20/month).
- Confirm your subscription.
ChatGPT Plus subscriptions are billed separately from your OpenAI API usage. Monitor both accounts to avoid unexpected charges.
Feature Comparison
| Feature | Free (GPT-3.5) | ChatGPT Plus (GPT-4) |
|---|---|---|
| Model | GPT-3.5 | GPT-4 (plus GPT-3.5 option) |
| Price | Free | $20/month |
| Response speed | Standard | Faster |
| Plugins | Not available | Available (e.g., Bing search) |
| Priority access | No | Yes |
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
- Prompt design best practices
- Prompt engineering techniques
- Integration workflows with GPT-3.5 and GPT-4