AEO Audit is a free tool that scores B2B SaaS websites for AI search visibility — how likely they are to be cited by ChatGPT, Perplexity, and Google AI Overviews when B2B buyers search.

What is AI Engine Optimization (AEO)?

AI Engine Optimization (AEO) is the practice of structuring content, entity signals, and technical infrastructure so that AI engines cite your brand in generated answers. It extends traditional SEO to cover ChatGPT, Perplexity, Gemini, and Google AI Overviews.

Yes. AEO Audit is free. Enter any B2B SaaS brand and receive a full AI visibility score with prioritised recommendations.

How does AEO Audit score websites?

AEO Audit scores across six pillars: AI Visibility (22%), Brand Authority (23%), Content Quality (18%), Platform Optimization (15%), Structured Data (12%), and Technical AEO (10%). Each pillar reflects specific signals that AI engines use when deciding which sources to cite.

Subcategory · AI Citation Index

Voice AI

Cognigy and ElevenLabs lead shortlists in a crowded field of 17 voice AI platforms; contact-center specialists dominate evaluations.

162 discovery queries · 230 head-to-heads · refreshed Jun 9, 2026

Discovery stage

The shortlist

Across 162 buyer-style "Voice AI" queries

Most cited · Voice AILive

cognigy.com

Cited in 59 of 162 buyer questions for Voice AI — surfaced by 3 of 3 AI engines.

ChatGPTGeminiClaude

Citation rate

36%

See the full cognigy.com profile→

cognigy.com appears in 36.4% of shortlists (59 of 162 prompts), edging out ElevenLabs (34.6%) and nice.com (32.7%). All three brands, plus Talkdesk, servicenow.com, Deepgram, and microsoft.com, show perfect model diversity (4/4), indicating consistent cross-LLM citation. The category sees 54 brands cited overall, suggesting fragmented buyer attention across transcription, synthesis, and agent-automation use cases.

Hover or click a logo to see brand details

X = coverage across discovery prompts · Y = engine diversity · Bubble size = total mentions

Tracked acrossChatGPT,Gemini,Claude

Get weekly AI visibility changes for Voice AI sent to your inbox.

Score shifts, new entrants, citation gaps — every Monday.

Signal by intent

By topic

Top 5 most-cited brands per intent cluster. Brands with zero citations in a topic are not shown.

Retell AI

9/10

Aircall

9/10

Synthflow

8/10

Orum

5/10

Qualified

5/10

Fathom

7/8

Microsoft

5/8

Otter.ai

5/8

Fireflies.ai

5/8

Inside

4/8

Deepgram

7/8

Azure AI Speech

7/8

ElevenLabs

7/8

Retell AI

5/8

Cognigy

4/8

ElevenLabs

4/7

Deepgram

4/7

Voiceflow

4/7

Amazon Web Services

4/7

Azure AI Speech

4/7

ElevenLabs

5/6

Play.ht

4/6

Descript

4/6

Murf.ai

3/6

Inside

3/6

Talkdesk

6/6

NICE CXone

5/6

ServiceNow

5/6

Cognigy

5/6

Resolve

5/6

Microsoft

4/5

Fireflies.ai

3/5

Oracle

3/5

Otter

2/5

Otter.ai

4/5

Observe.AI

3/5

Verint

3/5

Retell AI

3/5

Deepgram

3/5

≥50% cited

25–49%

<25%

Topics are discovery-stage prompt clusters · voice-ai

Evaluation stage

Head-to-head

How often AI cites each brand across uniform category evaluation prompts · median 9/100

Cognigy scores highest in head-to-head comparisons (avg 47 across 27 queries), followed by NICE CXone (42, 24 queries) and Talkdesk (40, 23 queries). Retell AI, Kore.AI, Deepgram, and PolyAI cluster in the mid-30s. Azure AI Speech trails at 28 despite strong shortlist presence, hinting at a gap between awareness and competitive win rate.

Hover or click a logo to see brand details

X = evaluation citation rate · Y = evaluation prompts cited in · Bubble size = citation exposure

Median citation rate 9/100

Each brand's score is the share of category evaluation prompts where AI cited them across all four engines — the same prompt pool for every brand. Brands above the median citation rate have stronger presence in evaluation-stage queries.

Brands to know

In this category

Deepgram

Score of 22 reflects strong presence in both shortlists (27.8% rate, 85 mentions) and evaluations (avg 33). Speech-to-text specialist with consistent LLM backing.

Read brand profile →

ElevenLabs

Second-highest shortlist rate (34.6%, 119 mentions) but no evaluation data yet. Text-to-speech focus differentiates it from contact-center incumbents.

Read brand profile →