wzlxp.top tools
Practical calculators for product, AI, and startup planning.
Start with AI costs, then branch into founder planning. Estimate LLM tokens, provider spend, RAG architecture, agent workflows, startup runway, and operating tradeoffs before a feature ships or a budget gets tight.
Built for developers and founders making practical product and budget decisions.
No API key
Required
Local
Prompt estimates
Runway
Founder planning
Monthly
Budget planning
Builder workspace
Choose the tool that matches today's decision.
Category AI Cost Tools Token, provider, RAG, embedding, and agent cost calculators for AI product planning. Category Founder Tools Startup planning calculators for runway, MRR, burn, revenue goals, and operating decisions.
Start here LLM Token Calculator Estimate prompt tokens, response tokens, per-request cost, daily cost, and monthly cost across major LLM providers. Founder baseline Startup Runway Calculator Estimate months of runway, net burn, projected cash-out month, and the monthly improvement needed to reach a runway goal. Featured tool OpenAI API Cost Calculator Estimate input, cached input, output, Batch API, daily, monthly, and annual OpenAI API spend. Featured tool MRR Calculator Calculate SaaS MRR, ARR, ARPA, churned MRR, expansion MRR, net MRR, and the gap to a target revenue milestone.
Tool library 8 AI cost tools and 3 founder tools
Useful for Developers, founders, SaaS builders, product planning
Best first step Token estimate or startup runway baseline