LLM Economics helps AI engineers and SaaS teams estimate and optimize their AI infrastructure costs. What it does: • Compare OpenAI, Claude, and Gemini API pricing side by side • Calculate monthly spend based on your actual token usage • See savings from Prompt Cache (90% off) and Batch API (50% off) • LLM Leaderboard — 30 models ranked by benchmark score with cost-per-point analysis • Model migration ROI calculator — estimate payback period before switching
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Maker
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Hey PH! I built this because I was tired of manually calculating API costs in spreadsheets every time a provider changed
prices or released a new model.
The calculators use official token pricing and show exactly how much Prompt Cache and Batch API save. The leaderboard
ranks 30 models by benchmark score AND cost-efficiency — so you can find the best value, not just the best model.
Would love feedback on what calculators to add next. Happy to answer any questions about LLM pricing!