Semrush

Semrush

Semrush is the largest listed SEO and visibility software company, and its 2026 platform treats AI answers as a first-class search surface. Semrush One unites the classic toolkit — keyword research, rank tracking, site audits, backlinks — with an AI Visibility Toolkit that measures brand mentions, sentiment, and share of voice across ChatGPT, Perplexity, Gemini, Copilot, and Google AI Overviews. On the content side, Semrush ships ContentShake AI for generation and the SEO Writing Assistant for real-time scoring, with the Copilot assistant surfacing priority tasks across its dataset.

Production credibility: Founded 2008 by Oleg Shchegolev and Dmitri Melnikov; IPO'd 2021 (NYSE: SEMR). FY2024 revenue $376.8M, up 22% year over year, with $411.6M ARR (SEC-filed). Vendor-displayed customers include Shopify, Amazon, Netflix, and Samsung; a published case study reports ZoomInfo growing AI share of voice 373% using the AI toolkit.

Key Features

• AI Visibility Toolkit: brand mentions, AI Visibility Score, and share of voice across ChatGPT, Perplexity, Gemini, Copilot, and Google AI Overviews
• Daily prompt tracking with sentiment analysis versus competitors
• AI Search Site Audit — flags technical issues that keep AI bots from crawling or citing your pages
• ContentShake AI article generation tuned with Semrush keyword data
• SEO Writing Assistant: real-time scoring for SEO, readability, tone, and originality
• Copilot AI assistant over the 28B-keyword, 43T-backlink dataset

Ideal Use Case

Marketing organizations that need one platform of record for visibility — classic rankings, competitive intelligence, and now AI-answer share of voice — with enough seats, integrations, and reporting depth for team-level workflows.

How Semrush differentiates

Document-level editors like SurferSEO and Frase optimize one page at a time; Semrush operates at the account level, where AI answer tracking, competitive research, and content AI share a single dataset. It has the broadest LLM coverage in the category — including Copilot — and the only public-company balance sheet. The trade-off is price and platform complexity.

FAQ

Q: What is Semrush? A: Semrush is an online visibility platform covering SEO, advertising, content, and social — and since 2025, AI search: its AI Visibility Toolkit tracks how often ChatGPT, Perplexity, Gemini, Copilot, and Google AI Overviews mention your brand.

Q: How much does Semrush cost? A: There is a free plan (1 project). Paid plans start at $139/month for the SEO plan ($117.33/month billed annually), with Starter at $199, Pro+ at $299, and Advanced at $549; AI prompt-tracking volume scales by tier.

Q: Does Semrush track AI search visibility? A: Yes. The AI Visibility Toolkit measures brand mentions, sentiment, and share of voice across five AI surfaces, tracks the prompts that matter to you daily, and audits your site for issues that block AI crawlers from citing it.

Q: How is Semrush different from Ahrefs? A: Both are index-scale SEO platforms with AI visibility products. Semrush is broader — advertising, social, and content tools alongside SEO, with Copilot coverage in AI tracking — while Ahrefs is engineering-led, bootstrapped, and anchored on its crawler and 271M-prompt index. Many teams run one of the two as their platform of record.

Q: What is ContentShake AI? A: ContentShake AI is Semrush's AI content tool: it generates article drafts informed by Semrush keyword and competitor data, so the output starts from search demand rather than a blank prompt.

tl;dr

Semrush is the platform of record for AI-era visibility: the classic SEO suite plus daily tracking of brand share of voice across ChatGPT, Perplexity, Gemini, Copilot, and Google AI Overviews. Public company, $376.8M FY2024 revenue, free plan then from $139/month. The broadest AI-surface coverage of any full SEO platform.

Related

Looking for more options? Browse the Marketing & SEO directory or read our best AI marketing tools listicle. Semrush is also tracked on Crunchbase.