Share of Voice (AI)
The percentage of AI-generated answers in a given topic or category that reference or cite a specific brand, used to measure AI search visibility relative to competitors.
Share of Voice (AI) quantifies how much of the AI-generated conversation in your industry or topic area features your brand, giving you a clear picture of competitive standing in the age of answer engines.
Understanding Share of Voice (AI)
Definition and Context
In traditional marketing, share of voice measured a brand’s advertising presence relative to competitors. In the AI era, Share of Voice (AI) adapts this concept to measure how frequently AI platforms cite or reference a specific brand when generating answers within a particular topic or category.
Basic Formula:
AI Share of Voice = (Your Brand's AI Citations / Total AI Citations in Category) x 100
Traditional vs. AI Share of Voice
The shift from traditional share of voice to AI share of voice reflects a fundamental change in how audiences discover information:
| Dimension | Traditional Share of Voice | AI Share of Voice |
|---|---|---|
| What it measures | Ad impressions, media mentions | AI-generated citations |
| Where it’s measured | Ads, media, social platforms | ChatGPT, Perplexity, AI Overviews |
| User interaction | User sees multiple brands | AI selects brands for user |
| Control level | Directly purchasable | Earned through authority |
| Measurement frequency | Campaign-based | Continuous and query-based |
| Competitive dynamics | Budget-driven | Content and authority-driven |
Why It Matters More in AI Search
In traditional search results, ten or more brands could appear on page one. In AI-generated answers, typically only one to three sources are cited. This concentration makes share of voice in AI dramatically more competitive and more valuable per citation.
Measuring AI Share of Voice
Query-Based Measurement
The most common approach involves testing a defined set of queries across AI platforms.
Step 1: Define Your Query Universe
- Identify 50-200 queries relevant to your business
- Include informational, navigational, and transactional queries
- Cover different stages of the customer journey
- Update the query set quarterly
Step 2: Run Queries Across Platforms
- Test on ChatGPT, Perplexity, Google AI Overviews, and Copilot
- Record which brands are cited for each query
- Note citation position (primary source vs. supplementary)
- Track the context of each citation (positive, neutral, comparative)
Step 3: Calculate Share of Voice
- Tally total citations per brand across all queries
- Divide each brand’s citations by the total
- Segment by topic, query type, or platform
Key Metrics to Track
Volume Metrics:
- Total number of citations across tracked queries
- Citation count by AI platform
- Citation count by topic cluster
Quality Metrics:
- Primary citation rate (cited as the lead source)
- Sentiment of citation context
- Depth of content referenced
Trend Metrics:
- Month-over-month share of voice changes
- Share of voice movement relative to competitors
- New query categories where citations appear
Competitive Benchmarking
Building a Competitive Dashboard
An effective AI share of voice analysis requires tracking your top competitors alongside your own brand.
Example Dashboard:
| Brand | Total Citations | Primary Citations | AI Share of Voice | Trend |
|---|---|---|---|---|
| Your Brand | 38 | 15 | 19% | Up 3% |
| Competitor A | 52 | 22 | 26% | Stable |
| Competitor B | 45 | 18 | 22.5% | Down 2% |
| Competitor C | 30 | 12 | 15% | Up 1% |
| Others | 35 | 10 | 17.5% | — |
Identifying Gaps and Opportunities
Analyze Where You Win:
- Which topics and queries consistently cite your brand?
- What content formats earn the most citations?
- Which AI platforms favor your content?
Analyze Where You Lose:
- Which competitor-dominated queries are most valuable to your business?
- What content do competitors have that you lack?
- Are there authority or freshness gaps?
Strategies to Increase AI Share of Voice
1. Own Your Core Topics
Focus on building comprehensive, authoritative content for the topics most critical to your business.
Approach:
- Create pillar pages covering core topics exhaustively
- Develop supporting content for subtopics and related queries
- Update content regularly to maintain freshness signals
- Include original data, expert insights, and unique perspectives
2. Fill Content Gaps
Identify queries where no clear authority exists and become the definitive source.
Approach:
- Analyze queries where AI provides weak or unsourced answers
- Create content specifically designed to fill those gaps
- Structure content for easy AI extraction and citation
- Monitor adoption of your content as a citation source
3. Strengthen Authority Signals
AI systems prioritize sources they trust, so building authority is essential.
Approach:
- Earn backlinks from high-authority publications
- Generate brand mentions through digital PR
- Demonstrate expertise through author credentials
- Maintain high standards for accuracy and depth
4. Diversify Across Platforms
Different AI platforms may favor different sources, so diversifying your approach broadens your share of voice.
Approach:
- Optimize for multiple AI platforms, not just one
- Adapt content format and structure to platform preferences
- Monitor platform-specific citation patterns
- Adjust strategy based on platform-level data
Common Pitfalls
Vanity Metrics
Not all citations are equal. Being cited in low-value or irrelevant queries inflates share of voice without delivering business impact. Focus on share of voice within queries that matter to your audience and revenue.
Snapshot Bias
AI responses can vary based on timing, phrasing, and user context. Single-point measurements can be misleading. Track share of voice over time with consistent methodology to identify true trends.
Platform Concentration
Measuring share of voice on only one AI platform provides an incomplete picture. Diversify tracking across ChatGPT, Perplexity, Google AI Overviews, and other emerging platforms.
Why It Matters for AEO
Share of Voice (AI) is arguably the most important competitive metric in Answer Engine Optimization because it directly measures your brand’s presence in the AI-mediated answers that increasingly shape audience decisions. As AI search grows and users receive direct answers rather than browsing multiple results, the brands that are cited become the brands that are trusted. Tracking and improving your AI share of voice allows you to understand where you stand against competitors, identify the highest-impact opportunities for content investment, and measure whether your AEO strategy is working. Without monitoring this metric, you are operating blind in a channel that is rapidly becoming the primary way people discover and evaluate brands.
Related Terms
AI Visibility
AEOThe measure of how often and prominently your content is referenced, cited, or mentioned by AI-powered systems and answer engines.
Brand Mention
MarketingAn instance where an AI system references, recommends, or discusses a specific brand, product, or company in its generated response, whether with or without a direct link.
Citation Rate
AnalyticsThe frequency with which AI systems reference, quote, or cite a specific piece of content, brand, or domain when generating responses to user queries.