MentionFlow AI
Open app
DocsMetrics

Share of Voice

The share of all brand mentions in your competitive set that are yours — a zero-sum split of attention across you and your tracked competitors.

Share of Voice (SOV) answers a competitive question: of all the times anyone in your set was mentioned, how many mentions were yours?

How it's calculated

For each entity — your brand and every tracked competitor — MentionFlow counts the runs in which that entity appears at least once (its run-presence count). Your SOV is your count divided by the total across the whole set:

share_of_voice = your run-presence count / Σ run-presence counts (you + all competitors)

It is displayed as a percentage (0–100%). Because the denominator is the whole set, everyone's SOV sums to 100% — it is zero-sum: for you to gain, a competitor must lose.

Note

Like every other headline metric, SOV blends only the eight search-grounded engines. The two model-knowledge engines (DeepSeek and Mistral) are excluded, so a memory-only mention can't shift the split — the same engine scope on the dashboard and on the API, so the two can never disagree. Filtering to a single engine shows that engine's split honestly, knowledge-only or not. See Data honesty.

Why it matters

  • It frames your visibility relative to the field. Rising visibility while your SOV is flat means the whole category is getting more coverage, not that you're winning it.
  • It depends on your tracked competitor set — add or remove competitors and the denominator changes. Keep the set honest to keep SOV meaningful.

How to read it

  • On the Overview, the SOV delta is a point difference (percentage points), not a percent-of-a-percent change — clearer for a share metric.
  • When the set has no mentions at all in the window, there is no attention to split and SOV reads 0.0% for everyone.

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