Frase
Semrush

Frase vs Semrush

Frase and Semrush both show up in SEO workflows, but they do different jobs. Semrush is a broad research suite. Frase focuses on briefs and on-page optimization.

Written October 2026. Prices and features change, so confirm on each vendor's site.

The short answer

Choose Semrush if you need keyword, competitor and site-audit research and search is a core channel. Choose Frase if you mainly need briefs and optimization for pages you are about to write or update.

Pick Frase for

  • Briefs and optimization at a narrower scope
  • Drafting inside the optimization editor
  • Content refresh workflows for older posts

Pick Semrush for

  • Keyword and competitor research
  • Site audits that flag technical issues
  • Rank tracking over time

Side by side

Frase and Semrush compared
FeatureFraseSemrush
CategoryAI writingSEO & research
Best forSEO writers who want briefs and optimization scores before they publishSEO professionals and site owners doing serious keyword and competitor work
PricingFrase is a paid subscription with tiers based on the number of users, documents and AI features. Check the current pricing page for limits and whether a trial is available.Semrush offers a free account with limited daily searches and a free trial of paid plans. Paid plans are monthly or annual and scale by the number of projects, tracked keywords and reports. It's one of the pricier tools here, so check current plans before committing.
Keep in mindA focused SEO tool, not a general-purpose chatbot.Can be overkill and pricey for a brand-new site.
Skip it ifSkip it if you want a general writing assistant or chatbot. Frase is focused on SEO content, and it adds little if search traffic isn't part of your plan.Skip it if your site is brand new with only a handful of pages, or if search traffic isn't part of your strategy. Lighter, cheaper tools can cover the basics early on.
Why people pick it
  • Content briefs built from top search results
  • AI drafting inside an optimization editor
  • Useful for refreshing older posts
  • Keyword and competitor research
  • Site audits that flag technical issues
  • Rank tracking over time

Categories: AI Writing & Content Tools and SEO & Research Tools. Details come from our reviews of each tool.

How they really differ

Semrush answers "what should I target and who am I up against?" Frase answers "what should this page cover and how complete is my draft?" They overlap around content ideas, but Semrush goes much wider into technical and competitive data.

Semrush is one of the pricier tools in this directory and can be overkill for a brand-new site with a handful of pages. A narrower tool can be the better early purchase.

Using both

Teams doing serious SEO often use a research suite to pick targets and a content tool to brief and optimize each page.

The verdict

Brand-new site and writing-focused: start narrower, with Frase or even free tools. Search is a key channel and you need competitor and technical data: Semrush.

Want the full write-up on each? Read our Frase review and Semrush review.

Still deciding?

Both have ways to start small. Check current plans and trials, then pick the one that matches the thing you are building.

Quick answers

Is Semrush worth it for a new site?

Often not on day one. With only a few pages, lighter and cheaper tools can cover the basics. It earns its price once search traffic is a real channel.

Can Frase replace Semrush?

Not fully. Frase covers briefs and on-page optimization, but not the broad keyword, backlink and audit data a full SEO suite offers.

Does this page earn money if I sign up?

Possibly. The buttons use affiliate links, so we may earn a commission at no extra cost to you. It does not change the price you pay or which tool we say fits you.

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