AI reference: the facts behind ChatGPT, Claude, Gemini and the rest
Last verified: — every figure checked against the official page linked next to it.
Plain, checked answers to the questions people ask before choosing or paying for an AI. Every figure comes from the provider’s own pricing page, help center or privacy policy, linked next to it, and we re-check them every month. No sponsored rankings.
AI pricing →
Every plan and API price, with a cost calculator.
Usage limits →
What each plan officially allows, and when it resets.
Privacy & training →
Which AIs train on your chats and how to turn it off.
Free AI plans →
What you get without paying, service by service.
Token calculator →
Count tokens and see what a text costs in each model.
Which AI to use →
The features each task needs and which plans include them.
How we keep these pages accurate
We only use official sources: plan pages, help centers and privacy policies. Where a provider does not publish a number, we say so instead of estimating it. Each page shows the date it was last checked.