ChatGPT
Ask it anything—code, copy, research, brainstorming. It's the most direct way ordinary people have touched a frontier LLM. Free to start; power users upgrade when they hit the limits.
Site Info
- Official domain
- chatgpt.com
- Operator
- OpenAI
- Launch date
- November 30, 2022
- Pricing
- Partially free
- Languages
- 59 languages (interface)
- Last updated
- August 27, 2026
Site Introduction
ChatGPT (chatgpt.com) is OpenAI's AI conversational assistant. It can chat, write, look up information, code, and generate images. You type or speak, and it responds instantly—making it one of the most widely used AI chat tools in the world today. The free tier handles everyday conversations; for stronger models, ad-free experience, deep research, and Agent mode, you'll need ChatGPT Plus or a higher plan.
Core Features
1. Intelligent Conversation + Multi-Model Switching
The core is AI conversation: asking questions, polishing text, translating, and brainstorming. Starting August 2026, free users have essentially unlimited text chat (except for abuse protection), with GPT-5.6 Luna as the default model. Plus/Pro users get GPT-5.6 Sol, which includes a reasoning intensity slider for more stable performance on complex tasks.
2. Writing, Coding, Deep Research
It can write emails, revise papers, draft proposals, and debug code. The Plus plan unlocks Deep Research (multi-step retrieval with citations), Agent Mode (autonomous task execution), and Canvas (collaborative editing for long-form text and code). Many programmers use it as an AI coding assistant.
3. Multimodal: Images, Voice, Files
It supports AI image generation, voice conversations, and file uploads such as PDFs and spreadsheets for analysis. The free tier still has usage limits on these capabilities; Plus/Pro have higher limits and faster, more accurate image generation. Each plan also includes file storage quotas (about 500MB for free, about 20GB for Plus).
4. Custom GPTs + Project Collaboration
Plus and above can create Custom GPTs, use Projects to organize conversations by project, and set up scheduled tasks. The team plan ChatGPT Business adds shared workspaces, SSO, and an admin console for enterprise features.
Pricing Model
Chatting is more accessible for free, but advanced capabilities remain tiered and paid.
| Plan | Price (reference) | Best for |
|---|---|---|
| Free | $0 | Everyday AI chat; GPT-5.6 Luna; essentially unlimited text chat; limited uploads/image gen/voice; may include ads |
| Go | About $8/month | Higher file and image limits than free; for those on a budget who want a bit more |
| Plus | $20/month | Main individual plan: GPT-5.6 Sol, ad-free, Deep Research, Agent, Canvas |
| Pro | $100/month (5× Plus quota) or $200/month (20× Plus quota) | Heavy users; GPT-5.6 Sol Pro; highest image generation/research quotas |
| Business | Annual $20/person/month, monthly $25/person/month; minimum 2 seats, up to ~200 seats | Small teams with shared workspace; Premium seats available at about $100–125/person/month |
| Enterprise | No public pricing; contact sales for a quote | Large organizations; reportedly starts around 150 seats with annual contracts |
Pricing may change; please refer to the official pricing page: https://openai.com/chatgpt/pricing
Comparison with Similar Platforms
Unique Advantages
- Most complete ecosystem: Conversation, coding, research, image generation, Agent, Custom GPTs—all in one pipeline, with entry points for beginners to heavy users.
- Large user base: Plenty of tutorials, plugins, and community examples; it's easy to find solutions when you run into problems.
- Rapid model iteration: The GPT-5.6 series is split into Luna (free/lightweight) and Sol (paid/strong reasoning), making tiers clear.
Practical Highlights
- Free users get unlimited text chat (after August 2026), making light usage nearly zero-cost.
- Canvas + Agent Mode are very practical for long-form writing, code refactoring, and multi-step tasks.
Objective Drawbacks
- "Unlimited chat" on the free tier doesn't mean everything is unlimited: File uploads, image generation, voice, and deep research still have quotas, which can easily mislead users into thinking it's all free.
- Multiple Pro tiers with a big price gap: The $100 and $200 tiers differ only in usage quota; choosing wrong can mean wasting money.
| Comparison Item | ChatGPT | Claude | Google Gemini |
|---|---|---|---|
| Free chat | Essentially unlimited text (Aug 2026) | Limited messages | Limited |
| Individual paid entry | $20/month (Plus) | $20/month tier | $19.99/month tier |
| Coding ability | Strong (Codex ecosystem) | Strong | Strong |
| Deep research | Deep Research (Plus+) | Similar capability | Deep Research |
| Enterprise options | Business $20/person + Enterprise | Team/Enterprise | Workspace bundles |
| Best for | All-round users, ecosystem users | Long-form writing, coding | Google ecosystem users |
FAQ
1. Is ChatGPT completely free?
The core chat is free, and starting August 2026, text conversations are essentially unlimited. However, image generation, file uploads, voice, and Deep Research still have limits; the free tier may include ads. For the full experience, you need Plus ($20/month).
2. What's the difference between Plus and Pro?
Plus is the standard for daily productivity. Pro offers the same core features but with 5× ($100/month) or 20× ($200/month) the usage quota of Plus, plus access to GPT-5.6 Sol Pro, a higher-precision model.
3. Is it the same as the ChatGPT API?
No. chatgpt.com is a chat product for regular users; developers integrate models through the OpenAI API, billed per token, with separate accounts and plans.
4. Can generated content be used commercially?
It depends on the plan and the Terms of Use. Paid plans have clearer commercial rights; free tier data may be used for model improvement (see Privacy Policy). Always read the current terms before commercial use.
5. What are Custom GPTs?
Plus users can create customized versions of ChatGPT with fixed prompts, knowledge bases, and workflows, then share them with others or teams—ideal for templating repetitive tasks.
6. How do I choose between Business and Enterprise?
Business is self-serve, for small teams of 2–200 people, at $20/person/month (annual). For more than 200 people or requirements like HIPAA, data residency, audit logs, or custom SLAs, you'll need to negotiate an Enterprise sales contract.
7. Why can free users suddenly chat without limits?
In August 2026, OpenAI removed the text message cap for free users and switched the default to GPT-5.6 Luna, but multimodal and tool quotas remain unchanged—"unlimited chat" doesn't mean "unlimited everything."