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Show HN: Free tool to see how much AI bots are costing your site

BotCost.dev is a free, client-side tool that analyzes server logs to detect AI bots such as GPTBot and ClaudeBot, calculates bandwidth costs, and generates blocking rules. It reports that 38% of web traffic is non-human and estimates $180 monthly cost for a typical site with 50k visitors.

SourceHacker News AIAuthor: plaintosapp
Show HN: Free tool to see how much AI bots are costing your site
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Under the source content permission, this page provides an editorial summary, key points, and a link to the original article.

Key points and analysis

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Key points

  • BotCost.dev is a free tool that scans server logs locally to identify AI bot traffic. No data is uploaded.
  • It detects 18 known AI bot fingerprints and computes bandwidth costs in dollars.
  • Users can generate ready-to-use blocking rules for Cloudflare, Nginx, or Next.js.
  • No account required. The tool runs entirely in the browser.

Highlights and analysis are generated automatically and may contain errors. Check the original source.

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