chatgpt-visibility
(3)
Cheers
Cheers is a Y Combinator (S24) startup building a full-stack Generative Engine Optimization (GEO) platform for local service businesses. It helps HVAC, plumbing, roofing, solar and smart-home companies get recommended by AI assistants like ChatGPT and by Google, by auditing their AI visibility, fixing their web presence, and turning frontline employees into a review engine using NFC tap tools with per-employee attribution.
Mimos
Mimos is a Y Combinator (S25) startup building an Answer Engine Optimization platform that helps regulated companies in health, finance, and legal get cited by AI search engines like ChatGPT, Perplexity, and Gemini. Founded by ex-Microsoft and ex-Amazon engineers Rohit Sirosh and Michael Korovkin, Mimos turns a firm's compliance expertise into an advantage, streamlining the path from insight to compliant, citation-ready content. The company started as a growth and intake system for plaintiff-side law firms before focusing on AI visibility for regulated industries.
AthenaHQ
AthenaHQ is a San Francisco AI-search optimization platform that helps brands see, measure, and improve how they appear inside generative engines like ChatGPT, Perplexity, Claude, and Gemini. Founded in 2025 by ex-Google Search and DeepMind PM Andrew Yan and ex-ServiceNow engineer Alan Yao, the Y Combinator-backed company treats GEO (Generative Engine Optimization) and AEO (Answer Engine Optimization) as the successor to traditional SEO, analyzing millions of AI responses to tell companies whether AI models recommend them - and what to change if they don't.