Which ChatGPT model is best? A guide on which model to use for coding, writing, reasoning, and more.

OpenAI's ChatGPT comes in different forms. Here's BI's guide on which one is best to use and when.

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• OpenAI has released numerous models with a confusing pattern of names over the past few years.
• It has developed both large language models like GPT-4 and GPT-4.5 and reasoning models like o1.
• Here's a guide on what they do and how to use them.

ChatGPT isn't a monolith.

Since OpenAI first released the buzzy chatbot in 2022, it has rolled...