ChatGPT & OpenAI
GPT-4 / GPT-5
Definition
Generations of GPT models with different levels of reasoning, capability, speed, and tool use.
Visual example

Chef generations = GPT versions
The kitchen connection
Think of new generations of the chef brigade.
The illustration connects the AI idea to something familiar. Follow the subject, the action, and the result to see how it works.
- 01 · Who or what
- Chef generations = GPT versions
- 02 · What happens
- Adds new reasoning and tool skills
- 03 · The result
- Handles more difficult work
Why it matters
It helps users compare generations by capability, reasoning, speed, and tool use.