The verdict
Surfer for writing to a score, drafts that link sources, and seats included. Semrush for keyword research, backlinks, site audits and AI tracking at volume in one suite.
Choose Surfer if
Your writers work to a content score and you want several seats included.
Choose Semrush if
You need SEO research, site audits and Claude tracking in the same tool.
How to choose between Surfer and Semrush
These tools overlap less than their marketing suggests. Surfer is built for the writer with a draft open, and its product pages describe no keyword database, backlink tools or technical crawl. Semrush is built for the strategist deciding what to write and checking whether it ranked. Plenty of teams keep both, so the useful question is which one you need first.
Start with Surfer if the pages are already planned and the problem is getting them good enough. The Content Editor grades each draft for SEO and for AI Search at once, Auto-Optimize applies targeted fixes, and Surfer AI places links to your own pages and outside sources during drafting. Discovery costs $59 a month, or $49 billed yearly, and Pro includes five seats for $219.
Start with Semrush if you do not yet know what to write or whether it worked. Keyword Magic Tool draws on 27.3 billion keywords, Position Tracking updates daily, and a Technical Site Audit crawls the site for issues that affect search and AI visibility. The SEO plan is $139 a month for one user, and each colleague adds at least $45.
Headcount is where the two part ways on price. Surfer includes 1, 3, 5 or 10 seats by plan, so ten writers fit on Peace of Mind at $359 a month. The same ten on Semrush SEO would pay for nine extra users on top of the plan, at least $544 a month before any AI tracking.
Check the terms before you commit. Semrush offers a trial of 7 days on SEO, Starter and Pro+; Surfer lists none, and its “Start for Free” buttons lead to checkout. For automation, Surfer’s API controls the Content Editor itself and comes with Peace of Mind, while Semrush keeps API access for Advanced at $549.
Feature by feature
What each tool does today, on the plans named in each row. Not described means the vendor’s pages do not mention it, which is not the same as the product lacking it.
Surfer leads on drafting with linked sources, seats included and a cheaper start to AI tracking; Semrush on backlinks, a technical site audit, Claude tracking and a trial.
| Feature | Surfer | Semrush |
|---|---|---|
| Writing | ||
| AI drafts link sources as they write | Yes | Not described |
| AI writing | Surfer AI | Content Creation |
| SEO research and audits | ||
| Backlink tools | Not described | Backlink Analysis |
| Technical site audit | Content Audit only | Technical Site Audit |
| AI tracking | ||
| Google AI Mode tracked | Pro up, and $95 plan | Unclear |
| Most prompts tracked daily | 100, Peace of Mind | 200, Advanced |
| Buying | ||
| Starting price for AI tracking | $95/mo | $199/mo |
| Seats included | Up to 10 by plan | 1, then $45 to $100 |
| Billing | Monthly or yearly | Monthly or yearly |
| Free trial | None listed | 7 days |
What some rows meanThe plan or limit behind a cell, where it needs saying
- AI drafts link sources as they write. Semrush Content Creation generates full-length articles from a brief.
- AI writing. Surfer also scores drafts for SEO and AI Search side by side in its Content Editor, with Auto-Optimize.
- Starting price for AI tracking. The cheapest published plan that tracks AI answers: AI Search Analytics for Surfer, Starter for Semrush.
Need drafts cited to your own documents?
Veritas, which we build, drafts from a knowledge graph of your documents with every knowledge-based claim cited, scores drafts live and tracks four AI engines. It prices per workspace, so try it on one domain first.
AI answer tracking
Both check AI answers daily across five engines: Surfer lists Google AI Mode, which Semrush’s wording leaves unclear, and Semrush includes Claude. Surfer’s cheapest route is the $95 AI Search Analytics plan, which does nothing but track, with 50 prompts and five seats; Peace of Mind raises the allowance to 100. Semrush starts at $199 on Starter with 50 prompts and reaches 200 on Advanced.
For one person tracking up to 50 prompts, a year costs $1,140 on Surfer and $2,388 on Semrush. Five users on 100 prompts pay $4,308 on Surfer Peace of Mind, seats included, against $7,428 for Semrush on Pro+, where each of the four added users costs $80. Neither has a published plan for 300 prompts, and the engine grid below shows where each plan’s coverage stops.
Veritas is not part of this comparison, but its prices are published if you want to weigh it too.Start a 7-day trialSee pricing
Engine by engine, and what tracking costs a yearWhich engines each tool covers on its tracking plan, and the yearly cost for four team sizes
Which engines each tool covers
On the cheapest plan that tracks AI answers. Most vendors list more engines than that plan includes, so this is what you get at the price shown, not the brochure maximum.
| Tool and plan | ChatGPT | Claude | Gemini | Perplexity | AI Overviews | AI Mode | Copilot |
|---|---|---|---|---|---|---|---|
Surfer AI Search Analytics | Included | Not on this plan | Included | Included | Included | Included | Not on this plan |
Semrush Starter | Included | Included | Included | Included | Included | unclear | unclear |
A tick is included. Add-on means an extra monthly fee. You choose means the plan lets you pick a limited number of platforms from this list. Unclear means the vendor’s wording does not say.
The plan behind each row, and what changes on higher plans, are on each tool’s review: Surfer, Semrush.
What AI answer tracking costs a year
These setups price one thing: tracking how AI assistants answer about you, for a given number of prompts and people, over twelve months. They are not the cost of the SEO toolkit, which is in the table above. Where no published plan fits, the note says why instead of guessing.
| Tool | Getting started1 seat, 10 tracked prompts, 1 brand | One marketer, one brand1 seat, 50 tracked prompts, 1 brand | Team of five, one brand5 seats, 100 tracked prompts, 1 brand | Agency, three brands10 seats, 300 tracked prompts, 3 brands |
|---|---|---|---|---|
| Surfer | $1,140lowest | $1,140lowest | $4,308lowest | No published fit1 |
| Semrush | $2,388 | $2,388 | $7,428 | No published fit1 |
- 1No published plan tracks the prompts this setup needs; larger volumes are arranged with the vendor.
Bars share one scale across the whole table, so cost growth shows as well as rank. A figure far above the rest is marked off scale.
The plan, seats and add-ons behind every figure are worked through on each tool’s review: Surfer, Semrush.
What would change our verdict
- Surfer adding backlink tools or a technical site crawl, which would remove Semrush’s clearest advantage on this page.
- Surfer offering a free trial, which would change the buying comparison for small teams.
Questions people ask
Should I use Surfer or Semrush?
If your team writes to a content score and wants AI search optimisation in the editor, Surfer. If you need keyword research, backlinks, site audits and AI tracking at volume in one suite, Semrush. Many teams use Semrush for research and Surfer for writing.
Which is cheaper?
Surfer starts lower, at $59 a month or $49 billed yearly, against $139 a month for Semrush SEO, on prices read in September 2026. For a team, Surfer includes seats by plan, five on the Pro plan at $219, or $182 billed yearly, while Semrush charges from $45 for each extra user, and $80 on Pro+.
Which tracks more AI engines?
Both name five. Surfer tracks Google AI Mode on AI Search Analytics, Pro and above, which Semrush’s pricing page does not make clear; Semrush tracks Claude. Semrush includes more prompts, up to 200 a day on Advanced.
Each tool’s full review
Every feature, price, pro and con for each tool, each fact linked to the vendor page it came from, is on that tool’s own review page.
- Surfer reviewContent optimization and AI visibility
- Semrush reviewSEO and AI visibility suite
How the scores are calculatedThe arithmetic behind each score
| Tool | Weighted score | Criteria scored | Strongest criterion |
|---|---|---|---|
| Semrush | 76 | 7 of 8 | Refresh frequency |
| Surfer | 70 | 8 of 8 | Refresh frequency |
Eight rules, each applied to the published facts in the reviews and weighted to a total out of 100. The rules and weights are set out in our methodology.
How we researched this pageMethod and the update log
How we researched this page
Every fact about another tool comes from that vendor’s own pages, or from a press report where we say so, listed under Sources with the date we read them. Where a vendor does not describe something, we say so rather than guess.
The scores and cost figures on this page are calculated, not assigned. Our full methodology sets out every rule, what each criterion is worth, and where our evidence runs out.
Disclosure. Veritas is our product. It appears on this page because it competes in this category, and we have tried to state its limits as plainly as anyone else’s. If anything here is wrong or out of date, write to support@getveritas.io and we will correct it and note the change in the log.
Update log
- 9 October 2026Published.
Sources
The pages behind this comparison, most recently read 29 September 2026. Each tool’s review dates its own sources.
- Surfer: AI Instructions · Homepage · Pricing · Release Notes · Trust Center · Whats new at surfer june 2026…
- Semrush: Academy · Adobe Completes Semrush Acquisition · Features · Keyword Magic Tool · Local · My Reports · Pricing · Pricing (SEO AI Search) · Security · User Management
How this page was made. Veritas is our product. Every fact about another tool is checked against that vendor’s own pages, and scores and costs are calculated by our published rules.
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