ComparisonUpdated October 20, 2026

Prominara vs Otterly.AI

Otterly.AI is a daily AI search monitor from $29/month that includes ChatGPT, Google AI Overviews, Perplexity, and Microsoft Copilot, with Gemini, AI Mode, and Claude sold as add-ons. Prominara includes ChatGPT, Perplexity, Gemini, Google AI Overviews, and Google AI Mode on its $149 Pro plan and reports whether each content change moved AI citations, using repeated runs and control prompts.

01 — At a glance

Prominara

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GEO platform that tracks 5 AI answer surfaces, separates mentions from citations, checks AI answers for factual errors about your brand, and measures whether each content change moved citation rates, reported as a probability with a range.

Best for: Teams and agencies that need to prove which content changes moved AI visibility, and want Gemini and AI Mode included without add-on fees
Pricing: 14-day free trial on all plans. From $29/month (Starter) to $299/month (Agency)

Competitor

Otterly.AI

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Self-funded AI search monitoring tool that tracks brand mentions, citations, and sentiment daily across up to 7 AI engines, with GEO URL audits, weekly recommendations, ChatGPT ads tracking, and agent analytics.

Best for: Teams that want daily monitoring with many prompts, and Copilot or Claude coverage
Pricing: Lite $29/mo (15 prompts), Standard $189/mo (100 prompts), Premium $489/mo (400 prompts), Enterprise custom. 15% off annual. Add-ons on Standard: AI Mode $59, Gemini $59, Claude $109 per month. 7-day free trial.

See Otterly.AI's AI visibility report

02 — Features

Feature by feature. No asterisks.

Feature	Prominara	Otterly.AI
AI surfaces included in price	5 (Pro and Agency)	4 (ChatGPT, AIO, Perplexity, Copilot)
Gemini and Google AI Mode	Included (Pro and Agency)	Add-ons, $59/mo each on Standard
Claude and Copilot tracking		Copilot included; Claude add-on
Tracking cadence	Weekly (Starter biweekly)	Daily
Prompts at mid tier	50 (Pro, $149)	100 (Standard, $189)
Runs per prompt while measuring a change	9 (3 runs × 3 phrasings)	Not published
Control prompts to rule out engine-wide shifts		Not published
Impact reported as	Probability + range + evidence grade	Visibility change over time
Published measurement methodology		Not published
Branded prompts kept out of headline rate		Not published
Factual accuracy check on AI answers		Not listed
Page-level AI-readiness audit	0–100 score with prioritized fixes	GEO URL audit (crawlability + content)
llms.txt and Schema generators		Not listed
AI content writing	Briefs and full drafts from cited-source evidence	Not listed
Run from your own AI agent (MCP)	Read + write, all plans	Standard and up
White-label reports	Built in (Pro 5/mo, Agency unlimited)	Via Looker Studio
Client portal	Agency	Not listed
Free trial	14 days	7 days

03 — Strengths & limits

Prominara

Strengths

Pro at $149/month includes all 5 surfaces (ChatGPT, Perplexity, Gemini, Google AI Overviews, and Google AI Mode) with no add-on fees
When you change a page, its prompts are re-asked 3 times in 3 frozen phrasings on ChatGPT, Perplexity, and Gemini, and compared with untouched control prompts
Each change gets a verdict as a probability, a range, and an evidence grade at 7, 14, and 28 days, plus a 60-day retention check; the methodology is published
Accuracy monitor checks the claims AI answers make about your brand against your brand facts and gives a correction playbook
AI writer turns each prompt gap into a brief and a full draft built from the sources AI already cites; your team publishes, and the change is measured
Headline visibility rate excludes prompts that name your brand or seed a rival, so the number reflects being found

Limitations

Checks weekly at most (biweekly on Starter); Otterly checks daily on every plan
Fewer prompts per dollar: Otterly Standard has 100 prompts at $189, Prominara Pro has 50 at $149
No Microsoft Copilot or Claude tracking; Otterly includes Copilot and sells Claude as an add-on
Site caps per plan (1, 3, or 6); Otterly offers unlimited workspaces from Standard
Starter ($29) covers 2 AI surfaces; Otterly Lite ($29) includes 4

Otterly.AI

Strengths

Daily tracking on every plan
Up to 7 AI engines, including Microsoft Copilot (included) and Claude (add-on)
More prompts per plan: 100 on Standard, 400 on Premium
Unlimited team members, and unlimited workspaces from Standard
50+ countries supported

Limitations

Gemini and Google AI Mode cost extra: $59/month each on Standard, $149/month each on Premium
No published method for separating the effect of a content change from run-to-run answer variance
Factual accuracy check on AI answers not listed
White-label reporting is done through Looker Studio dashboards (Standard and up), not built-in branded reports
AI content drafting not listed

The verdict

Which tool wins, for whom.

Otterly.AI is a solid monitor: daily checks, many prompts, Copilot included, and Claude available. It tells you where you appear. Prominara is built for the next question: did the change you shipped make a difference? AI answers vary from run to run, so a daily reading can move when nothing you did caused it. Prominara re-asks the prompts behind each change 9 times per check, compares them with prompts you did not touch, and reports how likely it is the change worked. It also checks AI answers for factual errors about your brand and drafts the content for each gap; your team decides what goes live. On price, covering the same 5 surfaces costs $149/month on Prominara Pro and $307/month on Otterly Standard with the Gemini and AI Mode add-ons.

Choose Prominara if

You need to show which content changes moved AI visibility, you want Gemini and AI Mode without add-on fees, you need AI-written drafts and accuracy checks in the same tool, or you run an agency and want built-in white-label reports and a client portal.

Choose Otterly.AI if

You need daily readings, Copilot or Claude coverage, or more than 50 prompts per site at the mid tier, and you do not need to measure the effect of individual content changes.

04 — Questions

Frequently asked.

01Is Prominara a good Otterly.AI alternative?

Yes, if you need to prove impact rather than watch a trend line. Prominara measures whether each content change moved AI citations using repeated runs and control prompts, checks AI answers for factual errors, and drafts content for each gap. Otterly.AI tracks daily, includes Microsoft Copilot, and offers more prompts per plan.

02How much does Otterly.AI cost?

As of October 2026, Otterly.AI costs $29/month for Lite (15 prompts), $189/month for Standard (100 prompts), and $489/month for Premium (400 prompts), with 15% off annual billing. Gemini and Google AI Mode are add-ons at $59/month each on Standard, and Claude is $109/month. Prominara costs $29, $149, or $299 per month, and its Pro and Agency plans include all 5 of its AI surfaces.

03Does Otterly.AI track Gemini and Google AI Mode?

Yes, but as paid add-ons. Otterly.AI includes ChatGPT, Google AI Overviews, Perplexity, and Microsoft Copilot; Gemini, AI Mode, and Claude cost extra. Prominara includes ChatGPT, Perplexity, Gemini, Google AI Overviews, and Google AI Mode on Pro and Agency, and does not track Copilot or Claude.

04Does Otterly.AI measure whether content changes worked?

Otterly.AI shows visibility and citations over time and gives recommendations, but it does not publish a method for separating a change's effect from normal variation in AI answers. Prominara re-asks the affected prompts 3 times in 3 phrasings, compares them with untouched control prompts, and reports a probability with a range at 7, 14, and 28 days.

05Isn't daily tracking better than weekly?

Daily tracking shows more often what an AI engine answered, which Otterly.AI does well. It does not show why the answer changed: the same prompt asked twice can cite different sources. Prominara checks weekly but asks each prompt tied to a content change 9 times on each assistant and compares against untouched prompts, which is what separates a real effect from noise.

06Otterly.AI vs Prominara for agencies?

Both support agencies, in different ways. Otterly.AI offers unlimited workspaces from Standard and white-label dashboards through Looker Studio. Prominara includes built-in white-label reports from Pro, and its $299 Agency plan adds a client portal, plus impact verdicts an agency can show a client when asked whether the work paid off.

Otterly.AI details checked against their public pages on October 20, 2026: