The AI / news Toolbox brings together free tools for choosing, costing, and understanding artificial intelligence: estimate the cost of an API, compare models and subscriptions, track prices, count tokens, size a machine for local AI, measure energy consumption, or check your obligations under the AI Act. Choose a tool below.
Choose and Cost
Best AILe classement des meilleures IA du momentAPI CostEstimez la facture mensuelle d’une API selon votre volumeModel Comparator2 à 4 modèles face à face : prix, contexte, capacitésAI SubscriptionsLes formules ChatGPT, Claude, Gemini et autres, par prixPrice TrackingNouveaux modèles, retraits et variations de tarifs
Measure and Write
Run an AI Locally
Impact and Regulation
These tools run directly in your browser, with no registration required: the texts and values you enter are not sent to any AI. Model prices come from OpenRouter’s public rates, updated daily; each page details the calculation principles and limitations of its estimates.