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