Guide · Updated 2026-10-16

Surfer vs Frase vs Semrush: which SEO tool should you use?

Short answer: Surfer to optimize content, Frase for affordable research and briefs, Semrush for keyword research and competitor data across your whole marketing.

Scores are editorial estimates from public research (2026-10), not yet hands-on tested. We'll update them as we run each tool through our three standard builds. Methodology.

Surfer

Surfer · 81.5/100

Surfer is the content optimization standard: its editor scores drafts against top-ranking pages and now tracks visibility in AI answers too. Agencies and serious bloggers lean on it. It won't replace good writing, and following scores blindly can produce stiff copy.

Pros: Best-known content optimization editor; AI article drafting and audits; Tracks AI search visibility. Cons: Priced in EUR, adds up; Easy to over-optimize.

Full Surfer review →   Visit Surfer ↗

Frase

Frase · 76.5/100

Frase speeds up research and briefs by pulling questions and headings from the top results, then scores drafts for both Google and AI-search visibility. It's an affordable Surfer alternative for small teams.

Pros: Fast SERP research and briefs; Optimizes for Google and AI search; Cheaper than Surfer. Cons: Smaller data set; AI drafts need editing.

Full Frase review →   Visit Frase ↗

Semrush

Semrush · 81.0/100

Semrush is the all-in-one marketing platform: keyword research, site audits, rank tracking, competitor intelligence and AI writing tools. Its data depth is unmatched for teams. Solo creators may find it pricey and complex.

Pros: Largest keyword and competitor database; AI visibility and content tools; All-in-one marketing suite. Cons: Expensive for solo users; Overwhelming feature set.

Full Semrush review →   Visit Semrush ↗

Verdict

Choose Surfer if content is your main SEO lever. Choose Frase on a tighter budget. Choose Semrush if you need the full SEO and marketing suite; many teams pair Semrush with Surfer.