Semrush Releases Expanded 2026 AI Visibility Index, Analyzing 126 Million AI Search Prompts

The flagship study, scaled from an initial 2,500 prompts to 126 million U.S. AI search prompts, reveals how brands are mentioned, cited, and represented across AI-powered discovery environments — and why marketers need integrated SEO, content, and brand strategies to compete.

Semrush, an Adobe company and the leading brand visibility platform, today announced the release of the 2026 AI Visibility Index flagship study. Building on the original AI Visibility Index, launched in September 2025, the report represents a major expansion of Semrush’s AI search intelligence capabilities, scaling from an initial analysis of 2,500 prompts to 126 million U.S. AI search prompts analyzed from January through April 2026. The expanded dataset offers one of the most comprehensive views to date of how brands are mentioned, cited, and surfaced across major AI search platforms — and how AI-powered discovery is reshaping brand visibility across industries.

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AI Visibility Index - Semrush, an Adobe Company