ChatGPT
ChatGPT is OpenAI's generative AI chatbot powered by GPT models.
Updated April 2026
Overview
- Website
- chat.openai.com
- Founded
- 2022
- Headquarters
- San Francisco, CA
- Segment
- Conversational AI / Assistants
Product overview
ChatGPT offers a conversational AI interface for text generation, image creation, voice interaction, coding assistance, and web search, powered by advanced models like GPT-5 series. It is used by over 800 million weekly active users worldwide, spanning individuals for personal tasks, professionals for work, and enterprises for collaboration. Distinct features include multimodal capabilities, custom GPTs, agent modes, and tiered access to reasoning models, setting it apart as the leading accessible AI assistant.
Revenue model
Freemium model: Free tier with limits; paid subscriptions include Go ($8/mo), Plus ($20/mo), Pro ($200/mo), Team/Business ($25-30/user/mo annual/monthly), Enterprise (custom contracts); separate pay-per-token API pricing.
Moat
ChatGPT's primary competitive moat is its massive user base of around 800 million, which drives personalization through accumulated chat history and user data, creating switching costs as the model learns individual behaviors and preferences over time, making it harder for users to migrate to competitors. This is reinforced by strong network effects from features like group chats and project sharing, which foster collaboration and retention, alongside first-mover brand dominance that captured 78% of daily unique visitors to core AI model sites and sustains double-digit monthly growth despite rivals like Gemini and Llama. While model technology is increasingly commoditized without strong patents or proprietary data barriers, these user-centric advantages provide the most defensible edge, though long-term viability hinges on product diversification and infrastructure control.