Best Keyword Clustering Tools in 2026
Updated
In short: Topvisor is ranked #1 of 27 as of 4 October 2026, ahead of Absolute Cluster and ContentGecko Keyword Clustering. The best-ranked option with a free plan is Absolute Cluster. The lowest first paid tier on this page is Keyword Insights at $1/mo.
Keyword clustering tools help organize search terms into groups for research and planning. Compare the clustering method and SERP analysis, then consider API access, batch upload, and keyword limits in light of how you gather and process terms. Export formats can affect how results fit into your next steps, while free plans and paid-from pricing provide cost context. SEO Keyword Clustering Tool, SEO Algorithm Keyword Clustering, and Absolute Cluster appear at the start of the ranking. Check which listed methods and data-handling options suit your workflow, and whether the available limits, integrations, and exports match the scale and format of your keyword research.
27 keyword clustering tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Topvisor Top pick · 7.0 Free plan · $29/mo
#2 Absolute Cluster Runner-up · 6.9 Free plan · $19/mo
#3 ContentGecko Keyword Clustering Also great · 6.9 Free plan · €19.90/mo
- Free plan apiextensionWeb
- Free plan
- Yes
- Paid from
- 29 /mo
RecognisedDocumentedFree planPlatforms$29/mofirst paid tier About TopvisorVisit site - Free plan Web
- Free plan
- Yes
- Paid from
- 19 /mo
- Clustering method
- serp
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms$19/mofirst paid tier About Absolute ClusterVisit site - Free plan Web
- Free plan
- Yes
- Clustering method
- serp
- Keyword limit
- 20,000 keywords
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms€19.90/mofirst paid tier About ContentGecko Keyword ClusteringVisit site - Free plan Web
- Free plan
- Yes
- Clustering method
- serp
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms - Free planFree trial apiWeb
- Free plan
- Yes
- Paid from
- 99 /mo
- Clustering method
- intent
- SERP analysis
- No
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms$99/mofirst paid tier About RankYak Keyword Clustering ToolVisit site - Free plan Web
- Free plan
- Yes
- Clustering method
- hybrid
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms - Free plan Web
- Free plan
- Yes
- Clustering method
- hybrid
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms - Free plan Web
- Free plan
- Yes
- Clustering method
- serp
- Keyword limit
- 500 keywords
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms - LinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Clustering method
- hybrid
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms - Free plan Web
- Free plan
- Yes
- Paid from
- 29 /mo
RecognisedDocumentedFree planPlatforms$29/mofirst paid tier About SEOcluster.aiVisit site - Web
- Free plan
- Yes
- Clustering method
- serp
- Keyword limit
- 1,000 keywords
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms$20/mofirst paid tier About OptiwingVisit site - apiWeb
- Free plan
- No
- Paid from
- 49.5 /mo
RecognisedDocumentedFree planPlatforms$49.50/mofirst paid tier About RankableVisit site - Free trial Web
- Free plan
- No
- Paid from
- 49 /mo
RecognisedDocumentedFree planPlatforms$49/mofirst paid tier About SEO ScoutVisit site - Web
- Free plan
- No
- Paid from
- 9.99 /mo
- SERP analysis
- Yes
RecognisedDocumentedFree planPlatforms$9.99/mofirst paid tier About Keyword CupidVisit site - apiWeb
- Free plan
- No
RecognisedDocumentedFree planPlatforms$1/mofirst paid tier About Keyword InsightsVisit site - api
- Free plan
- No
- Paid from
- 103.2 /mo
RecognisedDocumentedFree planPlatforms$129/mofirst paid tier About SE RankingVisit site - Web
- Free plan
- Yes
- Clustering method
- semantic
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Clustering method
- semantic
- SERP analysis
- No
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Clustering method
- semantic
- SERP analysis
- No
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- No
- Paid from
- 15 /mo
- Clustering method
- hybrid
- Keyword limit
- 20 keywords
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- No
- Clustering method
- serp
- Keyword limit
- 2,500 keywords
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Clustering method
- semantic
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- No
- Paid from
- 15 /mo
- Clustering method
- serp
- SERP analysis
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Clustering method
- serp
- SERP analysis
- Yes
- Batch upload
- Yes
RecognisedDocumentedFree planPlatforms
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which keyword clustering tool is ranked first on Everything Xiaomi?
Topvisor is ranked #1 of 27 with a score of 7.0. Absolute Cluster is second and ContentGecko Keyword Clustering third.
How many of these have a free plan?
9 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Keyword Insights has the lowest first paid tier we found: $1/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.