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AI Model Cost Calculator
Compare API pricing for 100+ LLMs including GPT-4o, Claude, Gemini and Llama. Calculate exact token costs.
AI Tools
Prompt Cost Calculator
Paste your prompt, choose a model, and instantly see how many tokens it uses and what it costs to send.
AI Tools
AI vs Human ROI Calculator
Compare AI tool costs (subscription + API) against human labour costs. See monthly savings, annual ROI and break-even point.
AI Tools
AI Carbon Footprint Calculator
gCO₂e and kWh per LLM prompt by model and grid region. Compare GPT-4o, Claude, Gemini and Llama.
AI Tools
LLM Cost Comparator
Side-by-side per-million-token cost across GPT-5, Claude Opus 4.7, Gemini 3.1 Pro, Llama, DeepSeek and more.
About Our AI Tools
All CalcWhizz AI tools are free, accurate and GDPR compliant. Where live data is used (such as LLM pricing), it is fetched from trusted APIs and cached in your browser to ensure fast, up-to-date results without unnecessary network calls. No personal data is stored or shared.
Important Note: This tool is intended to provide estimates and should not be used as a substitute for professional advice. Information generated by these calculators may be incomplete and does not account for all individual circumstances. Always verify costs and capabilities directly with your AI provider before making production or budgeting decisions.