Semrush has been one of the two or three default answers to 'which SEO tool should I buy' for over a decade, and in 2026 it made the pivot that defines this market: every plan now ships with AI-search tracking. Not a separate AEO product, not an enterprise upsell - the entry plan watches how your domain shows up in ChatGPT, Perplexity and Gemini answers, tracks custom prompts daily, and reports brand sentiment. That matters because the question clients ask has changed. It used to be 'why am I not ranking for X'. Now it is increasingly 'why does ChatGPT recommend my competitor instead of me'.
The core is unchanged and still the strongest part: a keyword database built over more than a decade, backlink analytics on a truly large index, site audits, rank tracking and competitor-gap reports. If you have never used it, the classic workflow is exactly as advertised - drop a competitor's domain in, pull the keywords they rank for that you do not, sort by gap and difficulty, and you have the outline of a content plan in an afternoon. That single report is the foundation of more paid SEO proposals than anything else in the industry.
Pricing: the real math
The lineup was restructured in 2026 and it is worth reading carefully, because the names moved. Verified from semrush.com/pricing (Nov 2026): Free ($0, 1 demo project, 10 reports/day - genuinely usable for a first audit), SEO ($139/mo, $117.33/mo annual - 5 websites, 500 keywords, AI visibility reports included), Starter ($199/mo, $165.17/mo annual - adds MCP access, 50 tracked AI prompts/day, 300 AI visibility reports/day), Pro+ ($299/mo, $248.17/mo annual - 15 websites, 1,500 keywords, 100 prompts/day), and a custom Advanced tier. Add-ons stack: extra users from $45/mo, the agency lead-gen profile $90/mo, white-label reports $10-20/mo. Annual billing saves about 17%.
The number that actually decides your plan is websites, not keywords. Five projects on the entry plan is fine for three own sites plus two clients; it is immediately too small for an agency, and the jump to Pro+ is nearly double. If you run client work, price your retainers so the subscription is a line item the client absorbs - standard practice, and clients accept it without blinking.
For context on the hike: the entry plan sat at $99.95/mo for years. It is now $139. Nobody cancelled en masse, which tells you where pricing power in this market sits. But go in expecting a serious software bill, not a startup toy.
The AI part, honestly
What works: the tracking. Seeing which prompts surface your brand, which surface competitors, and how that moved month over month is real, reportable data, and Semrush is further along here than most dedicated AEO startups in terms of coverage and reliability. The AI-readiness checks in Site Audit (crawlability by AI agents, structured data, llms.txt) are sensible and action-oriented.
What does not work: the implication that the tool fixes what it measures. A dashboard that shows you losing the prompt 'best crm for solo consultants' to a competitor does not earn that citation back for you. The work is still content, digital PR, reviews and structured data - things a person does. Agencies that sell 'AI visibility optimization' by showing Semrush dashboards and then doing normal SEO under the hood are, bluntly, doing fine with this, but you should understand what you are buying: a measurement layer, not an autopilot.
Also know the limits: 50 tracked prompts a day on Starter sounds like a lot until you manage four clients across three engines. The SEO Writing Assistant is serviceable but weaker than dedicated content-optimization tools at guiding a rewrite.
Where it hurts
Price first: $139 to start, and the features most agencies actually want (MCP access, meaningful prompt tracking, historical data) start at $165-250/mo. Second, the plan maze: this pricing page sits next to separate product lines - AI Visibility, Traffic & Market, Content, Social, Local - each with its own pricing. Budget an hour to figure out your actual configuration, or you will overbuy. Third, the per-project limits and per-user add-ons nickel-and-dime growing teams in a way flat-per-seat SaaS does not. Fourth, data depth outside English-speaking markets is noticeably thinner - fine for US clients, frustrating for regional ones. Fifth, the learning curve is real; the interface has improved but a newcomer should expect a solid week before they stop clicking around aimlessly.
How people actually make money with it
The retainer model is the obvious one and it still works: an SEO retainer runs $500-2,000/month for small business clients, and Semrush produces most of the deliverables - the audit, the keyword map, the rank report, the competitor gap. One client covers the subscription; three or four make it a rounding error.
The productized angle: competitor-gap audits sold as fixed-price one-offs ($300-1,000) built almost entirely from Semrush exports. Fast to deliver, easy to systematize, and a proven foot in the door for retainer upsells.
The new line worth watching: AI-visibility audits. Businesses are genuinely anxious about how they show up in ChatGPT answers, almost none of them can measure it, and Semrush hands you the measurement on day one. An 'AI search readiness audit' priced at $500-1,500 with a monthly monitoring retainer attached is one of the most sellable new services in SEO right now, and the tool's free tier is enough to build your first demo.
Finally, the affiliate program pays around $200 per referred sale - if you publish SEO content, a review or comparison article that converts even a few readers a month is meaningful passive income.
Verdict
Semrush in 2026 is still the safest serious choice for anyone doing SEO for money: the data moat is real, the breadth replaces three or four subscriptions, and the AI-visibility layer - while a measurement tool rather than a magic fix - is included at a price point where rivals still charge extra. The costs are honest ones: a higher entry price than two years ago, a plan structure that needs decoding, limits that agencies outgrow quickly. If you have one paying client or intend to find one, buy it monthly and bill it through. If you are a solo site owner with no client ambitions, the free plan plus patience will serve you until that changes.