Show HN: PromptSpend – LLM API prices re-checked daily, with source per price

Category: devtools

Tags: llm, pricing, cost-estimation, developer-tools, api

Score: 6.5/10 (Innovation: 5, Technical: 6, Documentation: 8, Utility: 7)

PromptSpend is an open-source LLM cost calculator with a self-updating pricing pipeline that re-checks vendor rates daily from multiple sources, ensuring accuracy. It helps developers estimate, compare, and understand AI feature costs with detailed breakdowns of token pricing, caching, and hidden costs.

Target audience: backend developers, AI engineers, product managers

Repository: https://promptspend.com/ · TypeScript · MIT · 1 stars

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