Rankeo News
Daily intel on AI search, Generative Engine Optimization, and citation patterns. Trend-driven analysis, not exhaustive coverage — we publish when the wave matters, with the data to back it.
AI Engine Updates
New releases from ChatGPT, Claude, Perplexity, Gemini, Grok
Algorithm Watch
Google AI Overview, Bing Copilot, and search algorithm changes
Research & Data
Academic papers, industry benchmarks, citation studies
Rankeo Lab
Our own findings from the 501-site benchmark and GEO data pipeline
WSJ, NYT, Bloomberg: Zero Top-20 ChatGPT Citations. Here's What Replaced Them.
The 5W Public Relations Citation Source Index aggregated 680M citations across 5 AI engines. Top 15 domains control 68% of the pipeline. Traditional media is absent. Here's where to compete instead.
GPT-5.5 Cuts Hallucinations 52.5%. Here's What That Does to Your AI Citations.
OpenAI shipped GPT-5.5 Instant on May 5. -52.5% hallucinations on high-stakes prompts. The citation floor moved — and Citation Readiness becomes the filter that decides who survives.
ChatGPT Memory Sources Are Live. Your Brand Now Has 1,000 Different 'Canonical' Answers.
Memory Sources rolled out with GPT-5.5. Personalization fragments the canonical AI answer per user. Entity Consistency Index becomes the only metric that guarantees brand survival across persona variants.