Guide
The GEO operator's handbook
How to design, staff and run a Generative Engine Optimization program from a standing start.
22 min readRead
Resources
A reading library for AI visibility operators.
Guides, original research, case studies, news and insights — all written by the Phase Neutre team. New work published every other week, with quarterly benchmarks for paying attention to the medium term.
Featured · Quarterly Benchmark
The State of AI Search 2025
Our flagship annual benchmark: 50 categories, 5 engines, 180,000 prompt evaluations. The definitive picture of how generative AI is reshaping discovery — and which brands are winning the answer.
94-page PDFUpdated quarterlyFree with email
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24
Guides
Step-by-step playbooks for the disciplines that make up AI visibility.
12
Research
Original benchmarks and primary research from the Phase Neutre lab.
18
Case studies
Behind-the-scenes breakdowns of engagements we're permitted to publish.
36
Insights
Short reads on engine behavior, citation patterns and the shape of new visibility surfaces.
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Recently published.
Updated every other Tuesday.
Research
Citation behavior across 5 engines, 50 categories
Phase Neutre's quarterly benchmark on how ChatGPT, Gemini, Perplexity, Claude and Google AI Overviews cite differently.
WhitepaperRead
Guide
Schema for the AI crawler era
A reference for structured data that satisfies classical SEO and AI-aware crawlers in one pass.
16 min readRead
Case Study
How Northwind Cloud won 71% AI mention share
A behind-the-scenes look at a nine-month GEO program inside enterprise data infrastructure.
12 min readRead
Insight
When AI Overviews replace your homepage
A teardown of the queries where Google's generative summary collapses click-through — and how to recover.
9 min readRead
News
What changed in AI search this quarter
An operator-grade summary of engine behavior shifts, citation pattern changes and new visibility surfaces.
QuarterlyRead
Guide
Entity hardening for category leaders
A practical playbook for making your brand an unambiguous entity across knowledge graphs.
18 min readRead
Research
Prompt economics: what one cited slot is worth
A model for translating AI visibility share into pipeline contribution, with worked examples.
WhitepaperRead
Insight
Why DR-led link building is the wrong target
Phase Neutre's argument for grading citations by AI evidence weight, not Ahrefs domain rating.
11 min readRead
The Weekly Brief
A short Monday-morning email on the engine behavior, citation patterns and visibility surfaces that shifted last week. 4,200+ operators read it.
ContactQuarterly Whitepapers
Longer-form research on the trends shaping AI search. Free to download, no marketing trickery — just primary data and our interpretation of it.
Browse the libraryOperator Conversations
A monthly recorded conversation with a marketing leader who's actually shipping AI visibility work inside their company. Audio + transcript.
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