Side-by-side evidence

Compare software without mixing markets or manufacturing a winner.

Choose a vertical first. Every table then uses the evidence contract and buying criteria for that market.

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Popular decisions

AI SEO head-to-head guides

Surfer SEO vs Frase

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Choose two to four AI SEO products.

2/4 selected · complete and explicitly permitted evidence profiles only.

Evidence field
AhrefsAhrefsComplete profile
SemrushSemrushComplete profile

Primary decision job

Ahrefs

Search research, competitive intelligence and AI brand visibility

Semrush

SEO research, site auditing, content workflows and AI visibility

Evidence freshness

Ahrefs

Latest source check: 2026-08-25

Semrush

Latest source check: 2026-08-25

Content optimisation

AhrefsUnknown

A prescriptive article-optimisation workflow was not established as the core Brand Radar job.

Checked 2026-08-25
SemrushVendor claim

Content capabilities sit within Semrush's broader toolkit family; the exact workflow depends on the selected toolkit.

Checked 2026-08-25

Research and briefs

AhrefsVerified fact

Ahrefs documents search, web and competitor discovery alongside Brand Radar.

Checked 2026-08-25
SemrushVerified fact

Semrush documents keyword, competitor and site research inside its SEO workflow.

Checked 2026-08-25

AI visibility

AhrefsVerified fact

Brand Radar documents broad search-backed AI prompt discovery plus scheduled custom prompts across supported systems, locations and frequencies.

Checked 2026-08-25
SemrushVerified fact

AI Visibility Base documents mentions across supported AI systems, competitor and prompt research, 25 daily tracked prompts and one domain.

Checked 2026-08-25

Publishing workflow

AhrefsUnknown

The retained Brand Radar sources do not establish a publishing workflow.

Checked 2026-08-25
SemrushUnknown

A complete publishing hand-off was not established by the retained sources for the selected plan.

Checked 2026-08-25

Decay monitoring

AhrefsUnknown

Scheduled prompt tracking is documented, but content-decay monitoring was not established by the retained sources.

Checked 2026-08-25
SemrushUnknown

The retained sources do not establish one universal decay-monitoring workflow across every toolkit.

Checked 2026-08-25

Collaboration and governance

AhrefsUnknown

Workspace permission details require plan- and account-level confirmation.

Checked 2026-08-25
SemrushUnknown

User, project and workspace controls vary by plan and require checkout-level confirmation.

Checked 2026-08-25

Self-serve evaluation

AhrefsVerified fact

Eligible paid Ahrefs plans include limited custom-prompt checks; broad Brand Radar index access remains a separate purchase.

Checked 2026-08-25
SemrushVerified fact

Semrush documents limited free AI visibility reports and a 100-page AI-readiness audit; the paid AI Visibility Toolkit has no free trial.

Checked 2026-08-25

Pricing context

AhrefsConflicted

Official Help listed USD 199/month per AI index and USD 699/month for all platforms, while the public page displayed localized GBP amounts; confirm region, currency and package.

Checked 2026-08-25
SemrushVendor claim

AI Visibility Base was advertised at USD 99/month per domain billed annually; SEO Toolkit Pro at USD 139.95/month and Semrush One from USD 199.95/month.

Checked 2026-08-25

This comparison reports factual fit only. It does not score output quality or manufacture an overall winner.