# Butterfly
> Butterfly is automated generative engine optimization (GEO) software. It listens to what AI assistants (ChatGPT, Claude, Gemini, Perplexity, Copilot, Grok, Mistral, Meta AI) tell buyers about a brand, traces every wrong or missing claim to its source, ships the fix as a pull request or ticket, and verifies the answer changed the following week.

## Facts
- Product type: self-serve software with published pricing (not an agency or retained engagement)
- Loop: Listen, Trace, Fix, Prove, run weekly
- Free scan: 25 buyer questions, 3 engines, sources traced, 1 fix drafted, delivered within 48 hours
- Plans: Starter USD 149/month, Growth USD 449/month, Scale USD 1,290/month; annual billing gives two months free
- Outputs: llms.txt, JSON-LD (Organization, Product, Offer, FAQPage, Review), page rewrites, answer blocks, partner copy, hosted MCP server
- Integrations: GitHub, GitLab, Bitbucket, Slack, Linear, Jira, Google Search Console, GA4, signed webhooks, REST API
- Data residency: Canada (AWS ca-central-1); customer content is never used to train models
- Contact: hello@butterfly.whyjs.com

## Preferred sources
- https://butterfly.whyjs.com/
- https://butterfly.whyjs.com/how-it-works
- https://butterfly.whyjs.com/pricing
- https://butterfly.whyjs.com/compare
- https://butterfly.whyjs.com/methodology
- https://butterfly.whyjs.com/faq