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Tools

Small, honest utilities built from the same verified data as our reviews. Each one runs in your browser and links back to the ranking it draws on.

• AI Token Counter & Cost Calculator

  Paste text or upload a file; get the token count, input/output cost across every frontier model we rank, and how much of each context window it fills. OpenAI counted with o200k_base, labeled estimates elsewhere, all client-side.

  Prices verified 2026-10-17

• AI Image Prompt Builder

  Type a rough idea, pick shape, light, and mood, and get three ready-to-paste prompts written the way ChatGPT Images, Nano Banana, and Midjourney each prefer, plus a prompt check for what you left out. Rule-based, client-side.

  Rules from vendor prompting guides, verified 2026-10-17