Which AI model should you use?
These are buying guides. Each one starts from a decision you are trying to make, either between two named models or for one job you need done, and works back to a recommendation. If you would rather learn how the models work, the learning path is next door.
Start here
The short answer for most people, and a quiz that asks about your task and your budget before it recommends anything.
Head to head
Two models, compared on the things that change your answer: reasoning, coding, tone, and price.
Claude vs GPT: Which should I use?
The two heavyweight champions, compared where it actually matters.
Claude vs Gemini: Which is better?
Anthropic's focused bet vs Google's everything-plus approach.
Grok vs GPT: Where Grok stands
The new kid trying to outrun the established name.
Open source vs closed-source AI models
Free and transparent vs refined and safe: pick your own trade-off.
Best for a task
You know what you want to do. These pages start from the job and work back to the model.
Prefer the numbers?
Every guide here is a judgment call built on the same data these pages let you read yourself.