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A large language model chat assistant from OpenAI for text generation, Q&A, translation, coding, and more.

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chat.openai.com
Preview of ChatGPT

Overview

ChatGPT is OpenAI's flagship AI assistant, built on the GPT family of large language models. It popularized the conversational AI category and remains the most widely used tool of its kind, handling writing, coding, document analysis, web browsing, image generation and voice conversations in a single interface.

Beyond the chat window, ChatGPT has grown into a platform: custom GPTs let users package specialized behaviors, memory gives it continuity across sessions, and the same models power a large API ecosystem. A capable free tier makes it the default entry point to AI for most people, while Plus and Team plans unlock the strongest models and higher limits.

Pros / Cons

Pros

  • Broadest capability set: writing, coding, vision, voice and file analysis in one place
  • Huge ecosystem of custom GPTs, plugins and third-party integrations
  • Capable, genuinely usable free tier
  • Fast model iteration — new OpenAI models land here first

Cons

  • Free tier faces throttling during peak hours
  • Occasional hallucinations on niche factual questions
  • Best models and limits require a Plus subscription

Who it's for

01

Drafting and editing emails, posts, reports and marketing copy

02

Explaining concepts, summarizing documents and study help

03

Writing and debugging code, from snippets to full features

Bottom line

Still the default general-purpose AI assistant — the most polished all-rounder, and the safest first pick if you're choosing only one tool.

Key Features

Multi-turn chat
Code generation
Content writing
Data analysis
Plugin system

Tags

ChatText generationCoding

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Frequently asked questions

What is ChatGPT?

ChatGPT is a Conversational AI tool developed by OpenAI. The company was founded in 2022 and is headquartered in San Francisco, USA. A large language model chat assistant from OpenAI for text generation, Q&A, translation, coding, and more.

Is ChatGPT free?

ChatGPT uses a freemium model: a free tier is available, and paid plans unlock more usage and advanced features.

Is ChatGPT open source?

No — ChatGPT is proprietary software.

What are the best alternatives to ChatGPT?

Notable Conversational AI alternatives include Claude, Gemini, Perplexity. Browse all 4 tools in our Conversational AI category for a full overview.

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Basic Info

Pricing
Freemium
Rating
4.7 (25,000 reviews) Ratings explained
Platforms
WebiOSAndroidAPI
Founded
2022
Headquarters
San Francisco, USA
Last verified
2026-09-08