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SEO · head to head

Keyword Insights vs MarketMuse

Keyword Insights logo

Keyword Insights

SEO

AI keyword clustering tool that groups keywords by live SERP overlap

From
On request
Rated
-
Full reviewWebsite
MarketMuse logo

MarketMuse

SEO

AI content research and planning platform for topic authority and briefs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only MarketMuse has a free tier, so it costs nothing to try first.
  • Each has a real cost: Keyword Insights it has no keyword research or search volume data of its own; keywords must be exported from another tool such as Ahrefs or Search Console first.; MarketMuse the free plan caps at 10 queries per month and excludes tracked topics and content briefs, limiting it to light exploration only.
  • They diverge on capability: Keyword Insights covers SERP-based clustering, MarketMuse covers Topic Navigator.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Keyword Insights and MarketMuse actually diverge.

Attributes where Keyword Insights and MarketMuse differ
AttributeKeyword InsightsMarketMuse
Starting priceOn requestFree
Pricing modelPer month by credit volume, with pay-as-you-go availablefreemium
Free tierNoYes

Identical on both: platforms (Web), user rating (Not yet rated), category (SEO).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Keyword Insights

  • SERP-based clustering
  • Intent classification
  • Content brief generation
  • Bulk keyword upload
  • Pay-as-you-go credits
  • Competitor content gap analysis

Only in MarketMuse

  • Topic Navigator
  • Content briefs
  • Tracked topics
  • SERP and keyword tools
  • Strategy documents

What people use each for

The jobs each tool is most often brought in to do.

Keyword Insights

  • A content team building topic clusters for a content calendar from a large exported keyword listnot MarketMuse
  • An agency needing intent classification to decide whether a keyword warrants a blog post or a product pagenot MarketMuse
  • A team that wants SERP-reality clustering rather than word-embedding-based grouping that can miss what Google actually treats as one topicnot MarketMuse
  • A one-off project needing to cluster a single large keyword export without committing to a monthly subscriptionnot MarketMuse

MarketMuse

  • Planning topic clusters and content calendarsnot Keyword Insights
  • Identifying content gaps versus competitorsnot Keyword Insights
  • Generating structured briefs for freelance writersnot Keyword Insights
  • Building topical authority for large content sitesnot Keyword Insights

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Keyword Insights

  • It has no keyword research or search volume data of its own; keywords must be exported from another tool such as Ahrefs or Search Console first.
  • SERP-based clustering requires a live Google SERP pull per keyword, which is why it is credit-metered and can get expensive fast on very large keyword lists.
  • The pay-as-you-go credit tier only covers clustering; content briefs and other features require a full subscription, which is easy to miss when comparing the entry price.
  • It has no rank tracking, backlink data or technical crawling, so it is a single-purpose tool that must sit alongside a broader SEO stack.
  • As a small, specialised vendor, its roadmap and support resourcing are thinner than a full suite like Semrush that bundles clustering as one feature among many.

MarketMuse

  • The free plan caps at 10 queries per month and excludes tracked topics and content briefs, limiting it to light exploration only.
  • Content brief types beyond the Article format are restricted to the top Strategy tier.
  • Pricing amounts are not published on the site, so buyers must request a quote to compare costs against competitors.

Pricing, plan by plan

Keyword Insights

On request
  • Basic$58/month
    • 10,000 credits a month
    • Keyword clustering and intent classification
    • Content brief generation
  • Professional$99/month
    • 20,000 credits a month
    • All Basic features
    • Higher project and export limits
  • Pay As You Go$7.99/month
    • 1,000 clustering-only credits, no subscription required
    • 7-day trial available for 1 US dollar
    • Other features require a subscription plan

MarketMuse

Free
  • FreeFree
    • 1 user
    • 10 queries/month
    • Topic Navigator, Keywords, SERP tools
  • Optimize$undefined/month
    • 1 site, 1 user
    • 100 tracked topics
    • 5 content briefs/month
  • Research$undefined/month
    • 1 site, 3 users
    • 1,000 tracked topics
    • 10 content briefs/month
  • Strategy$undefined/month
    • 1 site, 5 users
    • 10,000 tracked topics
    • 20 content briefs/month, all types

Which should you pick?

Choose Keyword Insights if

  • You need serp-based clustering.
  • You also want intent classification.
Keyword Insights review

Choose MarketMuse if

  • You need topic navigator.
  • You want to start without paying.
  • You work on web.
  • You also want content briefs.
MarketMuse review

Questions people ask

Is Keyword Insights or MarketMuse better?
Neither clearly leads. Keyword Insights starts at On request and MarketMuse at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keyword Insights or MarketMuse?
MarketMuse has a free tier; the other does not. Paid plans start at On request for Keyword Insights and Free for MarketMuse.
Does Keyword Insights or MarketMuse run on more platforms?
Keyword Insights runs on Web. MarketMuse runs on web.
Can I use MarketMuse for free?
Yes. MarketMuse has a free tier, so you can try it without paying. Keyword Insights starts at On request.
What is Keyword Insights best used for?
Keyword Insights is most often used for a content team building topic clusters for a content calendar from a large exported keyword list, an agency needing intent classification to decide whether a keyword warrants a blog post or a product page, a team that wants serp-reality clustering rather than word-embedding-based grouping that can miss what google actually treats as one topic, a one-off project needing to cluster a single large keyword export without committing to a monthly subscription. Of those, a content team building topic clusters for a content calendar from a large exported keyword list and an agency needing intent classification to decide whether a keyword warrants a blog post or a product page are not what MarketMuse is typically brought in for.
What can Keyword Insights do that MarketMuse cannot?
Keyword Insights covers SERP-based clustering, Intent classification, Content brief generation, Bulk keyword upload. MarketMuse covers Topic Navigator, Content briefs, Tracked topics, SERP and keyword tools.

Answered from the vendors’ own pages

Keyword Insights: Do I need another SEO tool to use it?

Yes, for keyword data. Keyword Insights clusters and classifies keyword lists you supply; it does not generate keyword lists with search volume itself.

MarketMuse: Is there a free plan, and what are its limits?

The Free plan supports 1 user and 10 queries per month with access to Topic Navigator, Keywords, and SERP tools, but no tracked topics or content briefs.

Source
Keyword Insights: How is pricing calculated?

By credits, at 1 credit per keyword clustered, either through a monthly subscription with a credit allowance or a pay-as-you-go top-up.

MarketMuse: How is usage metered on paid plans?

Paid tiers allocate monthly quotas for tracked topics, content briefs, strategy documents, and queries, scaling from Optimize up through Strategy.

Source
Keyword Insights: Is there a free tier?

No permanent free tier; a 7-day trial for 1 US dollar is offered instead.

MarketMuse: What does MarketMuse cost?

Specific prices are not published on the pricing page; plans are Free, Optimize, Research, and Strategy, and buyers start a free trial or contact sales for a quote.

Source
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