ChatGPT

by OpenAI

Versatile AI assistant for writing, coding, and research

✓ Free tierPaid plansLogin required
Try ChatGPT(opens in new tab)

About

ChatGPT is OpenAI’s flagship conversational AI product, built on the company’s latest large language models and optimized for interactive, multi-turn dialogue. Through a chat-style interface, it can understand natural language prompts, remember context within a conversation, and respond with text, code, structured outputs, or step-by-step reasoning. Users can access it directly in a browser or mobile app to get on-demand help with writing, coding, research, planning, and everyday problem solving. The tool supports a wide spectrum of productivity and creative tasks. Individuals use ChatGPT to draft emails and reports, rewrite or translate text, generate marketing copy, outline blog posts, and create study notes or lesson plans. Developers rely on it to explain APIs, generate and refactor code, write tests, and debug errors. Knowledge workers use it to summarize long documents, compare options, extract key data from text, and generate tables or checklists they can paste into other tools. Beyond simple Q&A, ChatGPT can work with files, images, and other inputs depending on the plan and model capabilities. Higher tiers provide access to more advanced models, larger context windows, and specialized tools for tasks like data analysis, coding assistance, and more complex reasoning. Business and Enterprise offerings add collaboration, security, and governance features so organizations can deploy ChatGPT at team or company scale. What distinguishes ChatGPT is the combination of strong language understanding, broad general knowledge, and an interface that is accessible to non-technical users. It is delivered as a managed, always-on service that continuously improves as OpenAI rolls out new models and capabilities. This makes it a general-purpose assistant that can be adapted to many workflows, from individual productivity to embedded AI inside business processes and applications.

What you can do with it

  • Draft and edit professional emails and documents
  • Generate and debug application code
  • Analyze uploaded PDFs, spreadsheets, and images
  • Summarize and compare research materials
  • Create custom GPTs for repetitive workflows

Pricing

Free — no cost
Plus — $20/month
Business — $25/user/month billed annually; monthly plan available
Enterprise — custom pricing
Go — price not specified in results

How to access

Web app, iOS, Android; open signup with OpenAI account login; paid upgrades inside the product; enterprise sales/contact for custom plans

Access via web at chat.openai.com and via mobile apps; sign in with an OpenAI account to use the service. Paid upgrades are handled inside the ChatGPT app/site, and enterprise customers may need sales contact for custom plans.

Tips for getting the best results

Start with a clear role, task, and desired output format. For longer tasks, break the request into steps and ask for intermediate checkpoints. Use file uploads for documents and spreadsheets, and specify whether you want a summary, extraction, comparison, or transformation. For coding, include language, constraints, and sample inputs/outputs. If using paid plans, check the current model and tool availability in the app because features can vary by plan and region.

Known limitations

Output quality depends on prompt quality and available tools. Usage limits vary by plan, and some advanced features are restricted to paid tiers. Availability of specific models and tools can change over time, so documentation and in-app menus are more reliable than older third-party summaries. ChatGPT can still produce incorrect or outdated information and should not be treated as a guaranteed source of truth without verification.

Model / Technology

OpenAI GPT-series large language models with multimodal capabilities

Commercial use

Commercial use policy is not confirmed in the provided results; this must be checked in OpenAI’s terms for the specific plan and output type before relying on outputs commercially.

Training data

OpenAI does not disclose a complete training corpus for ChatGPT in the provided results. Public OpenAI materials generally describe training on a mix of licensed data, data created by human trainers, and publicly available data, but no current plan-specific training dataset is confirmed here.