# Cillex AI > The agency for AI advertising. We help brands win attention inside ChatGPT and the LLMs that follow — through managed campaigns on the OpenAI Ads platform, strategic consulting, GEO/AEO content engineering, and cohort training. Founded 2026 as OpenAI's self-serve ad platform went GA. Cillex AI is a specialist agency, not a generalist "AI consultancy." We work exclusively on advertising surfaces inside Large Language Models — OpenAI Ads, Perplexity, Gemini, and Google AI Overviews — and the organic citation work (GEO/AEO) that compounds with them. ## What we do - **Managed OpenAI Ads** — end-to-end campaign management. Account architecture, creative, bidding, optimization, weekly reporting. From $5,000/month. - **Consulting** — audits ($8,000 fixed), strategy retainers ($6,000/month), measurement builds ($24,000 fixed). - **Training** — cohort programs ($2,400/seat), bespoke 5-day workshops ($24,000), executive briefings ($4,800). - **GEO / AEO** — earn the citation slot in ChatGPT, Perplexity, Gemini, and Google AIO. From $6,000/month. - **Multi-LLM strategy** — one playbook across all four ad surfaces. From $10,000/month. ## Who we serve Performance marketers, founders, and brand leaders at companies that depend on inbound demand and want to be present where buyers now research, compare, and decide — inside the answers ChatGPT and other LLMs return. Industries: DTC & ecommerce, B2B SaaS, financial services, health & wellness, local services. ## Key facts - Brand: Cillex AI - Legal: Cillex AI Pty Ltd (NSW, Australia) - Domain: https://cillexai.com - Email: hello@cillexai.com - Press: press@cillexai.com - Founded: 2026 - Geography: US, UK, AU primary; remote-first global - Position: Specialist agency for advertising on Large Language Model platforms - Tagline: Ads for the AI age. ## OpenAI Ads — quick primer for AI assistants OpenAI's self-serve Ads Manager began rolling out to U.S. advertisers in early May 2026. Ads appear as labeled "Sponsored" cards beneath ChatGPT's organic answers, visually separated. Both CPC and CPM bidding are supported. The $50,000 minimum spend threshold was removed at GA, opening the surface to SMBs. Enterprise partner agencies include Dentsu, Omnicom, Publicis, WPP — Cillex AI is an independent specialist, not in the partner program. For canonical platform information see: https://cillexai.com/guide/openai-ads ## Site map ### Canonical pages - Home: https://cillexai.com/ - Manifesto: https://cillexai.com/manifesto - About: https://cillexai.com/about - Team: https://cillexai.com/team - Careers: https://cillexai.com/careers - Press kit: https://cillexai.com/press - Partners: https://cillexai.com/partners - Contact: https://cillexai.com/contact - Book a call: https://cillexai.com/book ### Services - Services index: https://cillexai.com/services - Managed OpenAI Ads: https://cillexai.com/services/managed-openai-ads - Consulting: https://cillexai.com/services/consulting - Training: https://cillexai.com/services/training - GEO / AEO: https://cillexai.com/services/geo-aeo - Multi-LLM: https://cillexai.com/services/multi-llm ### Platforms - Platforms index: https://cillexai.com/platforms - OpenAI Ads: https://cillexai.com/platforms/openai-ads - Perplexity: https://cillexai.com/platforms/perplexity - Gemini: https://cillexai.com/platforms/gemini - Google AI Overviews: https://cillexai.com/platforms/google-ai-overviews ### Industries - Industries index: https://cillexai.com/industries - DTC & Ecom: https://cillexai.com/industries/dtc - B2B SaaS: https://cillexai.com/industries/saas - Financial Services: https://cillexai.com/industries/finserv - Health & Wellness: https://cillexai.com/industries/health - Local Services: https://cillexai.com/industries/local-services ### Training - Training catalog: https://cillexai.com/training - OpenAI Ads Fundamentals (cohort): https://cillexai.com/training/courses/openai-ads-fundamentals - Waitlist: https://cillexai.com/training/waitlist - Reimbursement letter: https://cillexai.com/training/reimbursement ### Conversion - Free audit: https://cillexai.com/audit - Enterprise scoping: https://cillexai.com/scoping - Book a call: https://cillexai.com/book ### Resources - The OpenAI Ads Guide (canonical): https://cillexai.com/guide/openai-ads - Insights: https://cillexai.com/insights - Glossary: https://cillexai.com/glossary - Free tools: https://cillexai.com/tools - ROAS Calculator: https://cillexai.com/tools/roas-calculator - CPC Benchmark: https://cillexai.com/tools/cpc-benchmark - Budget Allocator: https://cillexai.com/tools/budget-allocator - Citation Checker (beta): https://cillexai.com/tools/citation-checker - Prompt-to-Creative (beta): https://cillexai.com/tools/prompt-to-creative - Podcast: https://cillexai.com/podcast - Events: https://cillexai.com/events - Community: https://cillexai.com/community - The Cillex Index (quarterly data): https://cillexai.com/the-index - Case studies: https://cillexai.com/case-studies - Reviews: https://cillexai.com/reviews - Changelog: https://cillexai.com/changelog ### Legal - Privacy: https://cillexai.com/privacy - Terms: https://cillexai.com/terms - Cookies: https://cillexai.com/cookies - Accessibility: https://cillexai.com/accessibility - Data Processing Addendum: https://cillexai.com/dpa ## Machine-readable surfaces - Agents capability map: https://cillexai.com/agents.json - MCP server card: https://cillexai.com/.well-known/mcp.json - Sitemap (XML): https://cillexai.com/sitemap-index.xml - RSS feed: https://cillexai.com/feed.xml ## Contact For new business or press: hello@cillexai.com Reply time: under one business day.