# ChatGPT

Free tier on OpenAI's fast GPT-6/GPT-5.x 'Luna' models, with a Think button for harder questions. ChatGPT is freemium — a usable free tier with paid plans above it, at chatgpt.com.

## Facts

- **Pricing tier:** Free tier + paid
- **Works on:** Web, iOS, Android, macOS, Windows
- **Works in browser:** Yes
- **Sign-up:** Google sign-in

## Capabilities

- Free tier on OpenAI's fast GPT-6/GPT-5.x 'Luna' models, with a Think button for harder questions
- Voice, vision, image generation and web search in one app
- Agent mode, projects, memory and file uploads
- Custom GPTs and a large app/connector ecosystem

## FAQ

### What is ChatGPT?

ChatGPT is listed under General Purpose Chatbots, in the AI Chat & Assistants category on Flocci AI Tools. Free tier on OpenAI's fast GPT-6/GPT-5.x 'Luna' models, with a Think button for harder questions. It is freemium — a usable free tier with paid plans above it, and it lives at chatgpt.com.

### Is ChatGPT free?

ChatGPT is freemium: there is a free tier you can work in and paid plans above it. It is one of 426 freemium tools in the catalog, all labelled the same way so you are never surprised by a paywall.

### Can I use ChatGPT in a browser, or is there an app?

ChatGPT works in a normal browser tab with no install. It is available on the web, iOS, Android, Mac and Windows. You can sign in with a Google account.

### What can ChatGPT do?

ChatGPT does 4 things the catalog singles out: Free tier on openai's fast gpt-6/gpt-5.x 'luna' models, with a think button for harder questions; voice, vision, image generation and web search in one app; agent mode, projects, memory and file uploads; custom gpts and a large app/connector ecosystem.

### What is the best free alternative to ChatGPT?

Apertus Chat (Public AI) is the closest free alternative: it sits in the same General Purpose Chatbots sub-category and is free. Falcon LLM Chat (TII), Google AI Mode and HuggingChat also start free. The full list is on the alternatives page.

## Related

- [ChatGPT alternatives](https://aitools.flocci.in/alternatives/chatgpt)
- [General Purpose Chatbots](https://aitools.flocci.in/category/ai-chat-assistants/general-purpose-chatbots)
- [Best free AI chatbots](https://aitools.flocci.in/best/best-general-purpose-chatbots)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/chatgpt

Facts last verified: October 2026