AI SEARCH GUIDES · PART OF THE AI VISIBILITY GUIDE
The AI Visibility Audit: What It Covers, What It Costs, and What to Expect
Published by: NBound Research · Last updated: July 2026 · Part of our complete guide to AI visibility
An AI visibility audit is a structured measurement of how often, where and how favourably AI assistants such as ChatGPT, Perplexity, Gemini and Google AI Overviews name your brand on the buying prompts in your category, benchmarked against competitors, with a prioritised plan to close the gaps. This guide explains what a proper audit contains, what the market charges for one in 2026, how the process runs, and the red flags that separate a real audit from a screenshot deck.
What a proper AI visibility audit covers
Whoever you buy it from, a complete audit contains six components. If any are missing, you are buying a partial picture.
1. An approved prompt set
The 40 to 60 questions your buyers actually ask AI, mapped to commercial intent and signed off by you before anything runs. The prompt set is the foundation. A weak one invalidates everything downstream.
2. Citation rate per platform
How often each platform names you, measured per prompt. Platforms disagree wildly: only 11% of domains are cited by both ChatGPT and Perplexity on the same queries (Averi, March 2026), so a single-platform check misleads.
3. Competitor share of voice
Your citation rate against three to five named competitors on every prompt and platform. This turns “we are invisible” into “these two competitors own these specific answers, and here is by how much”.
4. Sentiment analysis
How AI describes you when it does name you: the recommended choice, an also-ran, or a name with caveats attached. Two brands can share a citation rate and live in different commercial realities.
5. Source and fan-out analysis
The background searches AI runs before answering, and which sources it pulls from. Commercial prompts trigger a live web search 53.5% of the time in ChatGPT (Josh Blyskal, January 2026). This tells you exactly where to be published.
6. A prioritised gap plan
Every gap ranked by commercial impact against effort, with the specific action that closes it. A findings list without prioritisation is homework, not an audit.
What an AI visibility audit costs in 2026
| OPTION | TYPICAL COST | WHAT YOU GET |
|---|---|---|
| GEO software, self-serve | $95 to $828 per month | The data layer without interpretation. You build the prompt set and read the results yourself. |
| Freelancer or generalist check | £500 to £1,500 | Often a manual spot check written up. Watch for single-platform coverage and no competitor benchmark. |
| Specialist agency audit | £2,000 to £5,000 | All six components across five platforms, with analyst interpretation and a prioritised plan. NBound's audit sits here, from £2,500. |
| Enterprise engagement | £5,000+ | Multi-market, multi-brand prompt sets, custom competitive sets, stakeholder workshops. |
Two honest notes on cost. First, the software layer is not optional for anyone doing this seriously: credible audits run on measurement platforms, and our research arm publishes a full GEO software pricing breakdown if you want to run the data layer yourself. Second, price tracks the prompt methodology more than the page count. A 60-page report built on ten guessed prompts is worth less than a 20-page report built on 50 approved, intent-mapped ones.
BUYER’S CHECKLIST
Five red flags in an audit proposal
1. No prompt approval step. If you never see or sign off the prompt list, the audit measures questions nobody asks.
2. One platform. A ChatGPT-only check misses most of the picture, because citation sources barely overlap across platforms.
3. Screenshots as evidence. AI answers vary by day and phrasing. Credible audits run repeated sessions over a period, not a one-off grab.
4. No competitor benchmark. A citation rate without competitor context cannot tell you whether you have a problem or a lead.
5. Findings without priorities. If every recommendation carries equal weight, the analyst has not done the commercial thinking you are paying for.
FAQ
Common questions.
How much does an AI visibility audit cost?
In 2026, specialist agency audits typically cost £2,000 to £5,000 as a one-time engagement. Self-serve GEO software runs $95 to $828 per month without interpretation, and freelancer checks at £500 to £1,500 usually cover fewer platforms with no competitor benchmark. NBound’s AI Visibility Audit starts at £2,500, covering 50+ prompts across five platforms in 14 business days.
How long does an AI visibility audit take?
Two to three weeks is standard for a proper audit, because credible measurement runs prompts repeatedly over a period rather than grabbing one day’s answers. Expect a short onboarding call, roughly two weeks of data collection and analysis, then a readout. Anyone promising a full audit in 48 hours is selling a snapshot.
Is an audit a one-time thing?
The audit itself is one-time: it establishes your baseline, competitor position and gap plan. But AI answers move constantly as models update and competitors publish, so the baseline goes stale within months. The usual structure is an audit followed by monthly monitoring against that baseline, which is exactly how NBound packages it: the audit fee is credited if monitoring starts within 60 days.
Do I need an audit if I already have GEO software?
Software gives you the data layer. The audit is the analysis layer on top: which movements matter for your pipeline, which gaps cost you the most, and what to do in what order. Teams with GEO tools often commission an audit precisely because they have a dashboard they do not know how to act on. If you are choosing software first, start with our tested rankings of the best GEO software.
Can I audit my own AI visibility for free?
Partially. Ask ChatGPT, Perplexity and Gemini the ten questions your buyers most plausibly ask, and record who gets named. This tells you whether you have a problem. It cannot tell you the size of it, the trend, the competitor picture or the causes, because answers vary by platform, phrasing and day. Treat manual checks as the smoke alarm, not the survey. The full method is in our guide to checking your AI visibility free.
See exactly what AI tells your buyers about you.
All six components on this page, run for your firm: 50+ approved prompts, five platforms, competitor share of voice, sentiment and a prioritised gap plan. From £2,500, delivered in 14 business days.
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