Dev ships free LLM cost calculator pulling live pricing for 250+ models via OpenRouter
zackku · reddit · 2026-10-21
Tired of stale spreadsheet math, a developer built ModelAnalysis.si, a free no-signup calculator that pulls live pricing and context windows for 250+ models from the OpenRouter API. Enter monthly token volumes to compare Claude vs GPT vs DeepSeek bills, adjust a prompt-caching slider (critical for RAG/agent workloads), and get a rough breakeven estimate for self-hosting open-weight models on rented GPUs vs paying per token. Caveats: OpenRouter prices may differ from direct provider billing, and cache write fees/TTL quirks aren't fully modeled. Price history charts may come next.
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