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Amalgama instruments

Make the AI decision before the invoice arrives

Five focused tools for cost, model fit, subscription overlap, business cases and long videos. Every result shows its assumptions.

No sign-up for calculators Updated September 2026
01AI Video Cost CalculatorWhat HeyGen, Synthesia and Pictory actually cost at your posting rate02YouTube SummarizerPaste a link, get the claims and caveats without watching03AI Stack OptimizerChatGPT vs Claude, tested blind on your own prompts04AI Model SelectorChoose ChatGPT, Claude, Gemini or an API route from five business constraints05AI Agent ROI CalculatorPayback, saved hours and first-year ROI with human review included