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Keyword Tool vs Semrush

Two leading seo tools, compared on pricing, features, and editorial fit. Updated for 2026.

Keyword Tool logo
Keyword Tool

Free keyword research tool built on Google Autocomplete and other platforms

Price not listed
Visit Keyword Tool
Semrush logo
Semrush

SEO, content, and competitive intelligence.

From $139.95/mo
Visit Semrush

At a glance

 Keyword ToolSemrush
TaglineFree keyword research tool built on Google Autocomplete and other platformsSEO, content, and competitive intelligence.
Pricing modelFreemiumPaid
Starts atNot listed$139.95/mo
Founded—2008
AI-native
CategoriesSEOPaid Ads, SEO
Vendor claimed

Quick take

Pick Keyword Tool if you need free keyword research tool built on google autocomplete and other platforms. Pick Semrush if you need seo, content, and competitive intelligence.

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Keyword Tool alternatives →

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Frequently asked

Is Keyword Tool better than Semrush?
It depends on your use case. Keyword Tool is free keyword research tool built on google autocomplete and other platforms, while Semrush is seo, content, and competitive intelligence. See the comparison above for which fits your team.
What's the price difference between Keyword Tool and Semrush?
Keyword Tool doesn't publish its pricing. Semrush starts at $139.95/mo.
Can I migrate from Keyword Tool to Semrush?
Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.