Bench test · AI SEO
Google Keyword Planner vs SEMrush Copilot
Same rack, same rubric, four independent agents. Here's how they measure up — and which we'd pick.
| Google Keyword Planner | SEMrush Copilot | |
|---|---|---|
| consensus | score7.4/10 | score7.4/10 |
| agents won | 2 / 4 | 2 / 4 |
| from | Free | — |
| free tier | yes ▲ | no |
| category | AI SEO | AI SEO |
Agent panel — head to head
| Anthropic | 7.6 ▲ | 7.2 |
| OpenAI | 7.8 ▲ | 6.8 |
| Gemini | 8.5 | 8.7 ▲ |
| Grok | 5.5 | 6.8 ▲ |
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
SEMrush Copilot
- ✓Seamlessly integrated with Semrush SEO tools and data
- ✓Reduces content creation time with AI assistance
- ✓Ensures SEO best practices during writing
- —Requires Semrush subscription, adding to costs
- —May produce generic content requiring significant editing
- —Limited to Semrush ecosystem integration
AI-powered content generation and writing assistanceSEO recommendations integrated with Semrush dataReal-time content optimization suggestionsKeyword integration and readability analysisContent briefing creationCompetitor insight incorporation
Free · free tier
Try Google Keyword Planner ▸Pricing on their site
Try SEMrush Copilot ▸Verdict
Dead heat — both land at 7.4. Pick on price and fit.