— Tools
ChatGPT
OpenAI's flagship AI chat product, the most-used LLM globally.
What is ChatGPT?
ChatGPT is OpenAI's consumer-facing LLM product, launched in 2022. As of 2026 it powers GPT-4 family models (GPT-4o, GPT-4.5, etc.) and remains the most-used AI chat tool worldwide. ChatGPT is excellent for general writing, brainstorming, and creative tasks. Available at chat.openai.com or via API. ONROL covers ChatGPT alongside Claude, Gemini, and Perplexity in its prompt-mastery module.
— Related
Terms connected to ChatGPT
Models
LLM (Large Language Model)
An AI model trained on huge amounts of text that can understand and generate human language.
Open →Tools
Claude
Anthropic's family of AI assistants — known for strong reasoning, long context, and code quality.
Open →Tools
Gemini
Google's AI assistant family, deeply integrated with Google Workspace.
Open →Companies
OpenAI
The company behind ChatGPT and GPT models.
Open →Techniques
Prompt Engineering
The craft of designing inputs to LLMs to get reliable, high-quality outputs.
Open →— Apply this
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