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Model

ChatGPT

OpenAI's conversational AI tool, the most widely used AI chatbot in the world.

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Definition

ChatGPT is a conversational AI product built by OpenAI, launched in November 2022. It's powered by OpenAI's GPT (Generative Pre-trained Transformer) family of large language models. ChatGPT became the fastest-growing consumer application in history, reaching 100 million users in just two months.

It offers both free and paid tiers — the free version uses GPT-3.5, while ChatGPT Plus ($20/month) provides access to GPT-4 and additional features like image generation, code execution, and web browsing. ChatGPT is used for everything from writing emails and essays to coding, analysis, creative writing, and building AI-powered workflows.

Examples

1

Using ChatGPT to draft a marketing email by pasting in a prompt template from your prompt library

2

Asking ChatGPT to review your code, explain a concept, or brainstorm ideas for a project

Related Terms

Large Language Model (LLM)PromptClaudeGemini

Frequently Asked Questions

Is ChatGPT free?
ChatGPT has a free tier that uses GPT-3.5. ChatGPT Plus costs $20/month and gives you access to GPT-4, which is significantly more capable. For API access, pricing is based on token usage.
How is ChatGPT different from Claude?
Both are top-tier AI models. ChatGPT (GPT-4) is known for its broad capabilities and large plugin ecosystem. Claude is known for longer context windows (200K tokens vs 128K), more nuanced reasoning, and a focus on safety. Try both for your specific use case.

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