Share of voice
Your slice of all AI citations across your tracked prompts - how much of the answer space you own versus others.
Share of voice is your fraction of every citation an AI answer engine hands out across your tracked prompts. If ten prompts each cite a few sources and yours appears in four of them, your share of voice is a measure of that presence relative to the whole.
Like citation rate it is sampled and reported with a band, so you read the trend, not a single reading. Rising share of voice means you are winning more of the AI answer space over time.