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Practical guides built from the data in this directory. Every number is checked against our data files; AI tools helped with the writing.

Cheapest LLM APIs per 1M tokens (Oct 2026): 20 models compared, plus free tiers

Standard list prices per 1M tokens for 20 LLM APIs, checked on the official pricing pages on 17 Oct 2026, sorted cheapest first, plus AI API free tiers.

How to let your AI agent pay per API call with x402 (about 10 lines of code)

A tested Node example that lets a script or AI agent pay for an API call with x402 (HTTP 402, USDC on Base), plus safety rules for agent wallets.

Official MCP servers by category (Oct 2026): 38 vendor-maintained servers

38 official MCP servers, published by the company behind each product, grouped by category: cloud, databases, search, dev tools, monitoring, security and more.