AI & Prompt Tools
Token counters, cost estimators, and prompt-engineering helpers.
9 tools
AI Token CalculatorEstimate how many tokens your text will use for GPT and Claude-style models.AI Cost CalculatorEstimate the API cost of a prompt based on token count and model pricing.AI Context Window CalculatorCheck how much of a model's context window your prompt will use.Prompt FormatterClean up and structure a prompt with consistent formatting.AI Character CounterCount characters and estimate tokens for prompts, side by side.Prompt Variable GeneratorTurn a prompt template into a reusable form with fill-in-the-blank variables.Prompt Comparison ToolDiff two prompt versions to see exactly what changed.AI Temperature SimulatorSee how temperature affects token sampling, illustrated with a local demo distribution.AI Prompt GeneratorBuild a well-structured prompt step by step using a proven template.