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Measurement

How To Track Prompt Share Of Voice

A realistic way to measure whether AI systems mention, cite, or ignore a brand across recurring buyer prompts.

Updated 2026-04-25 · 6 min read

Use a stable prompt set

Do not judge visibility from one answer. Build a fixed set of commercial, comparison, local, educational, and brand prompts, then run the same prompts over time.

  • Include prompts buyers would actually ask before choosing a vendor.
  • Track brand mentions, brand citations, competitor mentions, and cited sources.
  • Separate prompt tracking from website readiness scoring.

Start with ChatGPT tracking

For now, a useful report can stay focused on OpenAI/ChatGPT prompt runs. It should still preserve the model, prompt, response, citations, and whether the brand appeared so results can be compared over time.

  • Record the exact prompt and model for every run.
  • Store citations separately from answer text.
  • Treat missing API keys or blocked calls as skipped data, not zero visibility.

Use trends, not snapshots

AI answers vary. The goal is to spot movement: more brand mentions, better cited sources, fewer irrelevant competitors, and stronger conversion quality from AI referral traffic.

  • Compare runs month over month.
  • Look for source patterns that can be improved with content or PR.
  • Pair prompt tracking with analytics and lead quality, not vanity mentions alone.

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