Compare · Prices checked October 21, 2026
Search Atlas vs Semrush (2026)
Published starting prices: Search Atlas, $99/mo. Semrush, Free; paid from $139/mo. Side-by-side public pricing, what each does, real use cases and who each suits, all from our listings with sources. We haven't tested either hands-on.
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SEO
Search Atlas (OTTO SEO)
An SEO platform with OTTO, an agent that finds and deploys technical, on-page and local SEO fixes across your sites.
Subscription$99/mo
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SEOFree tier
Semrush
A large SEO and marketing suite: keyword and competitor research, site audits, rank tracking and AI-search visibility, with AI assistants built in.
SubscriptionFree; paid from $139/mo
Quick answer
- Cheaper: Comparing the lowest listed monthly plans: Search Atlas Starter: $99/mo (billed monthly; 7-day trial), and Semrush Starter: $139/mo ($117.33/mo billed yearly). Search Atlas lists the lower one. Semrush also has a free plan. Plans differ in what they include, and some are per seat or billed yearly, so compare the plan details. Checked October 21, 2026.
- Free plans: Search Atlas: no $0 plan on its pricing page (checked October 21, 2026). Semrush: yes. Its Free plan is $0/mo (AI visibility trial features), checked October 21, 2026.
Pricing side by side
| Item |  Search Atlas |  Semrush |
|---|---|---|
| Starting price | $99/mo | Free; paid from $139/mo |
| Pricing model | Subscription | Subscription |
| Free plan | No | Yes |
| Plans |
|
|
| Pricing note | not published | Plan names as we read them on the SEO & AI search pricing page. |
| Checked | October 21, 2026 | October 21, 2026 |
| Source | Vendor pricing page | Vendor pricing page |
Copied from each vendor's public pricing page on the date shown. "not published" means the vendor doesn't publish it; we don't guess. Prices change; confirm with the vendor.
Features and details from our listings
| Item | Search Atlas | Semrush |
|---|---|---|
| What it is | An SEO platform with OTTO, an agent that finds and deploys technical, on-page and local SEO fixes across your sites. | A large SEO and marketing suite: keyword and competitor research, site audits, rank tracking and AI-search visibility, with AI assistants built in. |
| Made by | Search Atlas | Semrush |
| Listed under | SEO agents | SEO agents |
| Jobs it fits |
|
|
| Verified public use cases | 0 | 0 |
Use cases
Search Atlas
We haven't found a verified public use case for Search Atlas yet.
Semrush
We haven't found a verified public use case for Semrush yet.
Use cases are summarised in our own words from the linked public post; vendor case studies are labelled. All use cases.
Who each is best for
- Subscription
Search Atlas is best for
- Teams that need to: Automate technical and on-page SEO fixes; Manage local SEO for several locations.
- Budget: starts at $99/mo (subscription).
- SubscriptionFree plan
Semrush is best for
- Teams that need to: Research keywords and competitors; Audit a site and track rankings; Track brand visibility in AI search.
- Budget: starts at Free; paid from $139/mo (subscription, free plan available).
From our listing data (jobs, public pricing); not a hands-on test. Full details: Search Atlas · Semrush.
FAQ
Which is cheaper, Search Atlas or Semrush?
Comparing the lowest listed monthly plans: Search Atlas Starter: $99/mo (billed monthly; 7-day trial), and Semrush Starter: $139/mo ($117.33/mo billed yearly). Search Atlas lists the lower one. Semrush also has a free plan. Plans differ in what they include, and some are per seat or billed yearly, so compare the plan details. Checked October 21, 2026.
Is Search Atlas free? Is Semrush free?
Search Atlas: no $0 plan on its pricing page (checked October 21, 2026). Semrush: yes. Its Free plan is $0/mo (AI visibility trial features), checked October 21, 2026.
How much does Search Atlas cost?
Search Atlas lists Starter: $99/mo (billed monthly; 7-day trial); Growth: $199/mo (billed monthly); Pro: $399/mo (billed monthly); Agency: from $999/mo (billed monthly). Its lowest listed monthly plan is Starter: $99/mo (billed monthly; 7-day trial). Checked October 21, 2026 on the vendor's pricing page.
How much does Semrush cost?
Semrush lists Free: $0/mo (AI visibility trial features); Starter: $139/mo ($117.33/mo billed yearly); Pro+: $199/mo ($165.17/mo billed yearly); Advanced: $299/mo ($248.17/mo billed yearly); Additional users: from $45/mo. Its lowest listed monthly plan is Starter: $139/mo ($117.33/mo billed yearly). Plan names as we read them on the SEO & AI search pricing page. Checked October 21, 2026 on the vendor's pricing page.
Did AITeamGuide test them?
Not hands-on. This comparison is built from each vendor's public pricing page (with the date we checked it), published product information and credited public use cases.
Can a vendor pay to win this comparison?
No. Nothing here is paid. Paid placements on AITeamGuide are always labelled "Sponsored" or "Featured" and never change a comparison or ranking.
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