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Head to head · 2026

PromptSignal vs SEMAI

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

PromptSignal

Scores how AI models rank, describe and feel about your brand against competitors

3.6$99/mo

Visit PromptSignal (opens PromptSignal in a new tab)

SEMAI

Tracks brand visibility across ChatGPT, Perplexity, Gemini and AI Overviews, then plans the content

3.8Free

Visit SEMAI (opens SEMAI in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: SEMAI does not list a price

  • Free plan

    SEMAI

    Only SEMAI has one

  • Higher rating

    SEMAI

    3.6 against 3.8

  • Same job?

    Yes

    Both are SEO tools

Side by side

Compared onPromptSignalSEMAI
Our rating3.63.8Better
Starts at$99/moFree
Free planNoYesBetter
CategorySEOSEO
PlansFrom $99/moFree
Key features
  • Brand visibility tracking across four major models
  • Ranking position within AI answers
  • Sentiment scoring on how you are described
  • Competitor tracking and benchmarking
  • Technical recommendations and prompt performance analytics
  • Visibility tracking across ChatGPT, Perplexity, Gemini and AI Overviews
  • Gap analysis against competitors in AI answers
  • Content plan generated from identified gaps
  • Monitoring over time rather than a one-off audit
  • Free tier and trial before subscription
Pros
  • Sentiment scoring separates good mentions from bad ones
  • Unlimited users on the entry plan
  • On-premise and SSO available at enterprise
  • Measures a channel most brands have no visibility into
  • Produces a plan rather than only a dashboard
  • Free tier makes a first assessment low-cost
Cons
  • Still onboarding early users, so not fully proven in the field
  • No free tier at a $99 entry point
  • Starter caps tracking at 50 prompts
  • AI-visibility optimisation is young and methods are unproven
  • Answer engines change frequently, so tracking needs re-baselining
CompanyDynamiq

Prices come from each vendor's pricing page, last checked 20260814. Check the vendor before you buy.

FAQ

Questions people ask

Is PromptSignal better than SEMAI?

In our reviews PromptSignal scores 3.6 and SEMAI scores 3.8. The better pick depends on the job. PromptSignal: Scores how AI models rank, describe and feel about your brand against competitors. SEMAI: Tracks brand visibility across ChatGPT, Perplexity, Gemini and AI Overviews, then plans the content.

Which is cheaper, PromptSignal or SEMAI?

PromptSignal: from $99/mo. SEMAI: free.

Do PromptSignal and SEMAI have free plans?

Only SEMAI has a free plan.

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