Bench test · AI SEO
Google Keyword Planner vs RankMath
Same rack, same rubric, four independent agents. Here's how they measure up — and which we'd pick.
| Google Keyword Planner | RankMath | |
|---|---|---|
| consensus | score8.2/10 | score8.3/10 |
| agents won | 1 / 4 | 2 / 4 ▲ |
| from | Custom | Custom |
| free tier | no | no |
| category | AI SEO | AI SEO |
Agent panel — head to head
| Anthropic | 8.1 | 8.2 ▲ |
| OpenAI | 8.5 | 8.5 |
| Gemini | 7.8 | 9.1 ▲ |
| Grok | 8.5 ▲ | 7.5 |
Google Keyword Planner
- ✓Free to use with Google account
- ✓Data directly from Google search
- ✓Integrates with Google Ads campaigns
- —Requires active Google Ads account for full access
- —Data shows ranges rather than exact numbers
- —Limited historical trend depth
Keyword discovery and suggestionMonthly search volume dataCompetition level estimatesBid price suggestionsSearch trend analysisKeyword grouping capabilities
RankMath
- ✓Comprehensive all-in-one SEO solution
- ✓User-friendly interface with actionable recommendations
- ✓Competitive pricing with free tier available
- —Can be overwhelming for beginners with many features
- —Some advanced features require premium subscription
- —Occasional conflicts with other WordPress plugins
AI-powered content analysis and optimizationTechnical SEO auditing and fixesKeyword rank trackingSchema markup generationXML sitemap managementBulk content optimization
Custom · no free tier
Try Google Keyword Planner ▸Custom · no free tier
Try RankMath ▸Verdict
RankMath takes it — 8.3 to 8.2 (a photo finish).
The panel gave RankMath the edge on 2 of 4 agents. It's close enough that Google Keyword Planner is a fair pick if it fits your workflow better.