Google Keyword Planner vs GrowthBar in 2026: Free Google-sourced volume data vs a paid AI research-to-draft pipeline
One tool is completely free and pulls search volume straight from Google Ads. The other charges from $36 a month but adds keyword difficulty scores, competitor analysis, and an AI writer that turns a SERP scan into a 1,500-word draft in under two minutes.
Google Keyword Planner
GrowthBar- Google Keyword Planner is completely free with any Google account; GrowthBar starts at $36/month with pricing rising to $149.25/month for the Agency tier.
- Keyword Planner shows search volumes as broad ranges (e.g. 1K to 10K) unless the connected account has active Google Ads spend. GrowthBar shows a single estimated number for every keyword regardless of ad spend.
- GrowthBar includes keyword difficulty scores and estimated revenue metrics across a database of 7 billion keyword suggestions. Keyword Planner has no difficulty scoring at all.
- GrowthBar's 2-Minute Blog Builder generates a 1,500+ word SERP-grounded draft from a keyword. Keyword Planner has no content generation feature; it is a keyword and forecasting tool only.
- Keyword Planner data is sourced directly from Google's own search systems, making it the single most authoritative volume source available, free or paid. GrowthBar's volume estimates are modeled, like most third-party keyword tools.
- GrowthBar was acquired by SEOptimer and is being merged into that platform, adding uncertainty to its long-term standalone roadmap. Keyword Planner has no such uncertainty as a core, permanent Google Ads feature.
- Keyword Planner requires setting up a Google Ads account and billing profile even if you never spend on ads. GrowthBar requires no ad account at all, just a subscription.
Google Keyword Planner and GrowthBar sit at opposite ends of the keyword research market. Keyword Planner is a free tool built into Google Ads that gives you search volume and CPC data straight from Google's own systems, no third-party estimation involved, but it was designed for advertisers planning paid campaigns and shows volumes as broad ranges unless your account has active ad spend. GrowthBar is a paid AI SEO writing tool that layers keyword difficulty scores, competitor backlink and ad data, and a SERP-based content generator on top of its own keyword database of 7 billion suggestions, aiming to take you from keyword to published draft in a single sitting. The choice mostly comes down to budget and whether you need difficulty scoring and content generation, or whether authoritative, zero-cost Google data is enough for your workflow.
The tools at a glance
Google Keyword Planner
Free keyword research and forecasting tool from Google, built into Google Ads with search volume data direct from the source
Google Keyword Planner is a free tool inside the Google Ads interface, built for advertisers planning paid campaigns but used by SEOs for one simple reason: the volume data comes directly from Google's own search systems rather than a third-party model. Enter a seed keyword, phrase, or landing page URL and it returns related suggestions with volume, competition level, and average CPC, plus a forecasting tool that projects clicks and impressions at a given bid.
The catch for organic teams is well known but still worth stating plainly: without active ad spend on the connected account, search volumes display as wide ranges like 1K to 10K rather than a specific number. You also need to create a Google Ads account and billing profile to access the tool at all, even if you never actually run a campaign. There is no keyword difficulty score, no SERP analysis, and no content generation; this is raw volume and CPC data, nothing more.
For teams already running paid search alongside organic, none of this is a real limitation, since active ad accounts get precise figures and the tool becomes a genuinely free, authoritative cross-reference for a dedicated SEO platform. For a solo blogger or small business with zero ad budget, the range-based volumes make it a rough starting point rather than a primary research tool.
| Feature | Free Free |
|---|---|
| Keyword discovery | ✓ |
| Search volume data | Range-based without ad spend |
| CPC and competition data | ✓ |
| Performance forecasting | ✓ |
| Keyword difficulty scoring | ✗ |
| AI content generation | ✗ |
| API access | Yes, via Google Ads API |
GrowthBar
Go from Google SERP scan to published blog post in under 2 minutes with AI-powered SEO writing
GrowthBar is built around a different premise entirely: keyword research is only useful if it leads to published content, so the platform scans live Google SERPs for your target keyword and generates an outline from what is actually ranking, then offers to write the draft itself. The keyword database behind it claims 7 billion suggestions, each with a difficulty score and an estimated revenue metric, which is the single biggest data gap versus Keyword Planner: there is no way to prioritize keywords by ranking effort in Google's own tool.
The 2-Minute Blog Builder is the standout feature: drag the generated outline headings into order and GrowthBar's AI writes a full 1,500+ word draft. Competitor analysis dashboards add organic keywords, ad copy, and backlink data for any domain, and Pro-tier custom AI models let you train the writer on your own content to reduce editing time. A WordPress integration and Chrome extension round out the workflow.
Two things temper the pitch. GrowthBar was acquired by SEOptimer and is actively being merged into that platform, which introduces real uncertainty about how long it survives as an independent product with its own roadmap. And at $36 to $149.25 a month depending on tier, you are paying for convenience and difficulty scoring that Keyword Planner simply does not offer at any price, free or otherwise.
| Feature | Standard $36/month | Pro $74.25/month | Agency $149.25/month |
|---|---|---|---|
| Keyword database size | 7 billion suggestions | 7 billion suggestions | 7 billion suggestions |
| Keyword difficulty scoring | ✓ | ✓ | ✓ |
| SERP-based AI outlines | ✓ | ✓ | ✓ |
| 2-Minute Blog Builder | ✓ | ✓ | ✓ |
| Competitor analysis | ✓ | ✓ | ✓ |
| Custom AI models | ✗ | ✓ | ✓ |
| White-label reports | ✗ | ✗ | ✓ |
Head-to-head feature comparison
| Feature | Google Keyword Planner | GrowthBar |
|---|---|---|
| Cost | Free | $36 to $149.25/mo |
| Search volume data source | Direct from Google search systems | Modeled third-party estimates |
| Precise volume without ad spend | No, ranges only | Yes, single figure shown |
| CPC and competition data | Yes | Yes |
| Keyword difficulty scoring | No | Yes |
| Competitor keyword and backlink analysis | No | Yes |
| AI content / draft generation | No | Yes (2-Minute Blog Builder) |
| Chrome extension | No | Yes |
| API access | Yes, via Google Ads API | No public API |
| Rank tracking | No | No |
Which should you choose?
Google Keyword PlannerGoogle Keyword PlannerGrowthBarGrowthBarGrowthBarGoogle Keyword PlannerGoogle Keyword PlannerThis is less a head-to-head between comparable tools and more a question of what stage your content operation is at. Keyword Planner gives you the most authoritative volume figure available at zero cost, but it stops there: no difficulty scoring, no content help, no competitor view. GrowthBar picks up exactly where Keyword Planner leaves off, at a real monthly cost, and adds the layers a content team actually needs to decide what to write and then write it.
Bottom line
If your budget is zero or you are already running Google Ads, start with Keyword Planner: it costs nothing and the volume data is as authoritative as it gets. If you are publishing regularly and need to know which keywords are actually winnable before committing writer time, GrowthBar's difficulty scores and SERP-based drafting at $36 a month pay for themselves quickly, so long as you go in aware that the SEOptimer merger could reshape the product later. Many serious content operations end up running both: Keyword Planner as a free volume cross-check, GrowthBar or a dedicated SEO platform for difficulty and drafting.
Frequently asked questions
Is Google Keyword Planner accurate enough to replace a paid tool like GrowthBar?
Google Keyword Planner's volume data is the most authoritative available since it comes directly from Google's own search systems, but without active Google Ads spend it only shows ranges rather than precise numbers, and it has no keyword difficulty scoring at all. For teams that need to prioritize keywords by ranking difficulty or want AI-assisted content drafting, GrowthBar covers gaps Keyword Planner was never built to fill.
Why does GrowthBar cost money when Google Keyword Planner is free?
GrowthBar charges because it does more than surface volume data: it scores keyword difficulty across a 7-billion-term database, analyzes competitor backlinks and ad copy, and generates full SERP-grounded blog drafts through its 2-Minute Blog Builder. Google Keyword Planner is free because it is a byproduct of the Google Ads platform, built to help advertisers plan bids rather than to replace a full content and SEO workflow tool.
Do I need a Google Ads account to use Keyword Planner even if I never run ads?
Yes, you need to create a Google Ads account and billing profile to access Keyword Planner, though you are never required to spend any money on an actual campaign. This is a common point of confusion for organic-only SEOs who expect a standalone free tool rather than a feature buried inside the ads platform.
Is GrowthBar still safe to buy given the SEOptimer acquisition?
GrowthBar continues to operate as a standalone subscription product at the time of writing, even after being acquired by SEOptimer and entering the process of being merged. It is a reasonable buy for current needs, but prospective subscribers should factor in some uncertainty about the product's long-term independent roadmap once the merger completes.
Which tool is better for finding low-competition keywords to target first?
GrowthBar is the better tool for this specific task because it assigns a keyword difficulty score to every term in its database, letting you filter directly for low-competition, high-opportunity keywords. Google Keyword Planner only shows a competition level (low, medium, high) tied to paid ad competition, which is a proxy for advertiser demand, not organic ranking difficulty.
Can I access Google Keyword Planner data programmatically?
Yes, keyword data from Google Keyword Planner is accessible through the Google Ads API, which requires a developer token and is intended for building custom integrations or automating keyword research at scale. GrowthBar does not publish a comparable API for developers to pull its keyword or difficulty data directly.