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15 Free Tools

AI Tools & Calculators

Built for AI developers and product teams. 15 tools covering API costs, agent calculators, agentic loop estimation, memory costs, automation comparisons, and full stack cost building — instant results, no sign-up.

AI Token Utilization Calculator
Estimate token count and context window usage across Claude, GPT, and Gemini.
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AI API Cost Calculator
Compare API costs across all major AI providers for any usage volume.
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AI ROI Calculator
ROI for AI implementations — labor savings, productivity gains, and payback period.
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AI Subscription ROI Calculator
Is ChatGPT Plus, Claude Pro, or Copilot worth it? See exact ROI by hourly rate.
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RAG Pipeline Cost Calculator
Full cost breakdown for RAG systems — embeddings, vector DB, retrieval, LLM inference.
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LLM Margin Calculator
Gross margin, break-even price, and pricing sensitivity for AI-powered products.
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Agent Calculators

True cost of running AI agents at scale — per task, per loop, per month.

AI Agent Cost Calculator
Model, steps per run, runs per day → cost per task, day, month, and year with context accumulation math.
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Agent vs Human Cost Calculator
Compare annual cost of an AI agent vs a human employee for the same task — with ROI and breakeven timeline.
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Agentic Loop Cost Estimator
See how context accumulation makes multi-step agent costs grow non-linearly — with per-step breakdown and caching savings.
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Agent Memory Cost Calculator
Embedding + vector DB storage + query costs for persistent agent memory across Pinecone, Weaviate, and Qdrant.
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Multi-Agent Orchestration Cost
Orchestrator + specialist sub-agents on different models — per-tier cost breakdown, context accumulation, and model routing savings.
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Codex vs Claude Code Cost
Compare Codex, Claude Code, Gemini Code Assist, and Qwen 3.7 monthly cost by task type, usage volume, and team size.
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Webhook & Automation Cost Calculator
Compare Make.com vs Zapier vs n8n vs raw API for your operation volume — find the cheapest platform instantly.
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Stack Builder & Comparisons

Build your full AI product stack and compare automation platforms side by side.

AI Stack Cost Builder
Pick your LLM, embeddings, vector DB, hosting, and monitoring — see your total monthly cost with preset stack templates.
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n8n vs Make vs Zapier — Full Comparison
Feature matrix, pricing deep-dive, and interactive cost estimator for all three automation platforms. Updated May 2026.
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