WhichAI

01The ranking

Which AI is best right now?

Every model with an official Artificial Analysis score, sorted into tiers by itself. New measurements land here automatically, usually within the hour.

Find the AI for my taskWrite a better promptNo account · No tracking · Nothing you write leaves your browser

Price vs intelligence

Up and to the left is more intelligence per dollar. Price is on a log scale, so cheap models are no longer squeezed into one corner; the dashed line is the best-value frontier.

SABCDDot colour = tier on the Intelligence index. Hover a dot or a chip to find it in the other view; click for details.

02Compare

Close at the top? Put the two leaders side by side.

02Head to head

Compare any two models

Official indices, price, context and strengths, side by side. It opens on today's top two and follows the ranking until you pick your own; add a third whenever you like.

03Model Radar

Something newer may already be out. Here is what changed this week.

03What's new

Model radar: launches, prices, news

Launches and price moves from the live catalog, next to headlines from the labs, the press, Hacker News and Hugging Face. Nobody has to post anything: it updates by itself.

04Market

Every launch moves prices too. Here is what intelligence costs today.

04What it costs

The AI market, live

API prices from OpenRouter, recomputed on every visit: the cheapest way into each tier, the best value, what is free right now, and what a month of your own use would cost.

05AI Debates

Behind the price tags: energy, jobs and a capital build-out measured in hundreds of billions. The debates, both sides.

05The bigger picture

AI debates, both sides

Energy, jobs, money, copyright, regulation, open weights: the strongest case on each side, the numbers with their dates, and what would change the picture.

AI glossary

Every AI term in one plain sentence

06Tools

Enough reading. What do you need to get done?

06Put it to work

From the right AI to the right prompt

Four tools on one path: find the AI for your task, write the prompt it responds to, check any prompt, then trim what you pay for.

  1. Find your AI

    A quick answer by task, or four questions for a personal pick. No prompt needed.

  2. Write the prompt

    One goal, a prompt tuned for each AI family you select, and the best pick for the task.

    Context and options
    Target models

    AI assistants

    Ecosystem assistants

    Open models

    Ctrl + Enter

    Your optimized prompts will appear here - one version per model, plus a recommendation of which model fits this task best.

  3. Prompt Doctor

    Score a prompt, see the optimized version

  4. Stack Optimizer

    Which subscriptions to keep, what to use free