$29 a month
View plans and limitsHeyGen vs Semrush:
which should you use?
HeyGen and Semrush, side by side. Find the one that fits what you need to do.
Find your best fitThe 30-second answer
Pricing, simplified
Start free. Upgrade when you need more.
$139.95 a month
View plans and limitsThe 30-second comparison
If you only read one section, make it this one. Rows where both sides say the same thing are left out — the point is where they differ. Where each row came from is listed underneath.
| Category | HeyGen | Semrush | Better fit |
|---|---|---|---|
| What it's built for | Turns one script into localised video ads across many languages without a reshoot. | Real search data underneath the AI, so a keyword volume or a ranking is something you can check rather than something a model guessed. | Semrush |
| Fit for marketing & content creation | Strong fit | Built for this | Semrush |
| Free plan | Yes. Free plan with the AI Studio editor, videos up to one minute and no export; enough to test, not to publish | Yes. Free account, capped at around ten results per report and ten reports a day | Tie |
| Cheapest way to pay | $29 a month. | $139.95 a month. | HeyGen |
| What the paid tiers cost |
|
| Tie |
| What to watch out for | Synthetic presenters read as synthetic. Works better for performance ads than brand work. | The free account is heavily capped — around ten results a report and ten reports a day — which is enough to evaluate and not to work. | Tie |
| What it asks of you | No setup — it works in a browser. | Expects some technical comfort to get going. | Tie |
| Made by | HeyGen — Los Angeles, US. | Semrush — Boston, US. | Tie |
Semrush is ahead on 2 of the 8 rows compared, 2 of them about how well it does the job itself, against 1 to HeyGen. That is a clear lead rather than a tiebreaker.
Semrush
Real search data underneath the AI, so a keyword volume or a ranking is something you can check rather than something a model guessed.
Turns one script into localised video ads across many languages without a reshoot.
HeyGen is the better answer when the job is what it was built for rather than what the pick above does broadly.
How we know
Every row that separated these two, and where it came from. Nothing here is a hands-on test — if a line rests on a vendor’s own pricing page, it says so and links it.
| Row | Favours | Weight | Where it came from |
|---|---|---|---|
| What it's built for | Semrush | How well it does the job | From this site’s own catalogue record for each product — compiled by hand, not imported. How a product gets listed |
| Fit for marketing & content creation | Semrush | How well it does the job | Both products are listed under marketing & content creation in the catalogue, and this is the fit recorded against each listing. Everything listed under marketing & content creation |
| Cheapest way to pay | HeyGen | Everything else | From each vendor’s own pricing page. Dates and pages are listed below. |
The prices
HeyGen. Read by hand off heygen.com on 4 September 2026. It is not on the monthly re-check, so confirm there before paying. heygen.com/pricing
Semrush. Read by hand off semrush.com on 4 September 2026. It is not on the monthly re-check, so confirm there before paying. semrush.com/pricing/seo-ai-search
The ratings
The category these two share. Marketing & Content Creation — both are listed there in the catalogue, and the fit recorded against each listing is a judgement made here, by hand.
The nine-category grid below. Derived from what each product is listed for, by one script, once per build — so the same pair always reads the same. It is a derivation, not a review.
What this is not
Neither product was run side by side to produce this page. Nobody was paid to appear on it and nothing here is ranked by commission.
To put the same question to both and read the answers yourself, run them side by side — that is a live test, and this is not.
Choose based on what you’re doing
All ten categories, including the ones where neither of these is the answer. These ratings are derived from what each product is listed for, not from running it — a rating here is a reading of the record, and the record is linked.
General-Purpose AI Assistants
Questions, brainstorming, explanations, everyday tasks, decision-making, general advice.
Search, Research & Academics
Web research, deep research, books, academic papers, citations, news, fact-checking.
Writing, Communication & Language
Emails, reports, essays, editing, summarizing, translation, presentations.
Coding, Data & Technical Work
Programming, debugging, data analysis, spreadsheets, math, engineering, technical research.
Business, Finance & Professional Work
Business strategy, investing, market research, legal, sales, HR, accounting, consulting.
Image & Design
Image generation, photo editing, logos, graphics, product design, advertising creatives.
Video
Video generation and editing, clipping, subtitles, avatars, animation and motion capture.
Audio, Voice & Music
Voice generation, transcription, music, dubbing, sound cleanup and podcast production.
Marketing & Content Creation
Social media, SEO, advertising, copywriting, content ideas, scripts, brand development.
Productivity, Automation & Personal Life
AI agents, workflows, scheduling, meetings, organization, shopping, travel, personal finance.
Turns one script into localised video ads across many languages without a reshoot.
Los Angeles, USReal search data underneath the AI, so a keyword volume or a ranking is something you can check rather than something a model guessed.
Boston, USPricing, simplified
The plans people actually compare, read from each vendor’s own page.
Tell us what you use AI for
Pick your main job and the verdict below changes to match. Every answer is on the page already, so this works as a reader, not a lookup.
Frequently asked questions
Is HeyGen or Semrush better?
Semrush is ahead on 2 of the 8 rows compared, 2 of them about how well it does the job itself, against 1 to HeyGen. That is a clear lead rather than a tiebreaker. Semrush is built for marketing & content creation; HeyGen does it well without it being its focus; both have a free plan you can start on; HeyGen is cheaper to start paying for, $29 against $139.95. HeyGen: Turns one script into localised video ads across many languages without a reshoot. Semrush: Real search data underneath the AI, so a keyword volume or a ranking is something you can check rather than something a model guessed.
Is HeyGen or Semrush cheaper?
HeyGen — paid plans start at $29 a month against $139.95 a month.
Do HeyGen and Semrush both have free plans?
Yes. HeyGen: Free plan with the AI Studio editor, videos up to one minute and no export; enough to test, not to publish. Semrush: Free account, capped at around ten results per report and ten reports a day.
What should I watch out for?
HeyGen: Synthetic presenters read as synthetic. Works better for performance ads than brand work. Semrush: The free account is heavily capped — around ten results a report and ten reports a day — which is enough to evaluate and not to work.
Read more
What it is for, who makes it, what it costs and what to use instead.
What it is for, who makes it, what it costs and what to use instead.
Social media, SEO, advertising, copywriting, content ideas, scripts, brand development.