Executive Summary: The AIVO 100 2025 4 Benchmarking AI Brand Visibility with PSOS# under the AIVO Standard

The AIVO 100™ — 2025 Global Index of Brand Visibility Across AI Assistants is the first benchmarking report to measure how brands appear inside AI-generated answers from leading assistants such as ChatGPT, Gemini, Claude, Perplexity, and Grok. The report introduces the Prompt-Space Occupancy Score (PSOS™), a novel and auditable KPI defined under the AIVO Standard™ v3.0 (Enterprise Methodology). PSOS™ provides a governance-grade framework for AI Visibility Optimization (AIVO), quantifying breadth, persistence, resilience, sentiment, and decay across more than 100,000 prompts per sector. Key findings from the 2025 AIVO 100™ include: Brands appear in only one-third of relevant AI answers on average. Most brands lose ~50% recall within 60 days without reinforcement. U.S. brands dominate 70% of the Global Top 10, reflecting structural training biases. Volatility is pronounced: Google Search lost 40% recall in 60 days, Zoom decayed 30% in 90 days. Misinformation persists: Pfizer prompts included 12% outdated vaccine data; McDonald’s menus were outdated in 10% of prompts. The Global Leaders (highest PSOS™ scores) include Apple iPhone, Coca-Cola, Microsoft Teams, Toyota, and Nike. Challenger brands such as Oatly, Duolingo, Rivian, Notion, and Shein are growing 15–25% faster than incumbents, demonstrating AI’s disruptive impact on brand visibility. Implications for boards and CMOs:AI visibility has become a board-level governance issue. Rapid decay, misinformation, and bias create material risks for brand equity, while challengers prove visibility can be won quickly through reinforcement. The AIVO 100™ provides an audit-grade benchmark for boards, analysts, and CMOs navigating this new decision layer. The roadmap for 2026 expands PSOS™ coverage to Alexa, Copilot, Baidu, and Asia-specific LLMs, introduces sector-specific sentiment scaling and misinformation overlays, and extends tracking to 6–12 months, positioning PSOS™ as a standard comparable to GAAP for financial reporting.