
ChatGPT
FeaturedOpenAI's flagship conversational AI for writing, coding, analysis, and research.
What is ChatGPT?
ChatGPT is OpenAI's industry-leading large language model, available as a conversational interface. It handles an enormous range of tasks — from drafting emails and blog posts to debugging code, explaining complex concepts, and conducting research. GPT-4o, the latest model, processes text, images, and audio, making it a true multimodal assistant. With a 128K context window, it can analyze entire documents in a single session. The free tier provides access to GPT-4o mini, while ChatGPT Plus ($20/mo) unlocks GPT-4o, DALL-E 3 image generation, advanced data analysis, and custom GPTs.
Use Cases
- Drafting blog posts, emails, and marketing copy
- Debugging and writing code in any language
- Summarizing long documents and research papers
- Brainstorming ideas and creative writing
- Learning new topics through interactive Q&A
Key Features
Pros & Cons
Pros
- Most capable general-purpose AI available
- Huge ecosystem of plugins and custom GPTs
- Excellent code generation and debugging
- Generous free tier with GPT-4o mini
Cons
- Can hallucinate facts — always verify
- Plus plan required for best models
- Rate limits on free tier during peak hours
Frequently Asked Questions
Is ChatGPT free to use?
Yes. The free tier gives access to GPT-4o mini with limited GPT-4o messages. ChatGPT Plus at $20/mo unlocks full GPT-4o access, image generation, and more.
What is the difference between GPT-3.5 and GPT-4o?
GPT-4o is significantly more capable — better reasoning, longer context (128K vs 4K), multimodal input, and more accurate responses. GPT-3.5 is largely deprecated.
Can ChatGPT browse the internet?
Yes, ChatGPT Plus users can enable web browsing to get real-time information from the internet.