CompareFairlyBest Keyword Research Tools 2026
Our pick : Semrush (74/100) · Cheapest : Google Keyword Planner · Best value : Ubersuggest
In short
This comparison evaluates nine keyword research tools based on ten criteria, including pricing, features depth, search volume accuracy, reporting, competitor analysis, and keyword difficulty score. Semrush ranks first with a score of 74/100, excelling in competitor analysis and features depth, both scoring 100/100. Ahrefs is a close second at 71/100, outperforming Semrush in pricing. Google Keyword Planner is identified as the most affordable option. It's important to note that sourced data was available for five out of the nine tools, with the remaining values being estimates clearly marked as such. The facts in this summary are computed from the table below; only the wording is generated.
Comparison table
| Criterion | Semrush | Ahrefs | Ubersuggest | Moz Pro | SpyFu | WordStream |
|---|---|---|---|---|---|---|
| Pricing (USD) | 119.95 | 99.0 | 29.0 | 99.0 | 39.0 | 78.0 |
| Features Depth | Comprehensive | Comprehensive | Advanced | Advanced | Advanced | Standard |
| Search Volume Accuracy | High | High | Medium | Medium | Medium | Medium |
| Reporting | Advanced | Advanced | Standard | Standard | Standard | Standard |
| Competitor Analysis | ✓ | ✓ | ✓ | ✓ | ✓ | — |
| Keyword Difficulty Score | ✓ | ✓ | ✓ | ✓ | — | — |
| Integrations | Extensive | Limited | Limited | Limited | None | Limited |
| Ease of Use | Moderate | Moderate | Easy | Easy | Moderate | Easy |
| Customer Support | Good | Good | Fair | Good | Fair | Good |
| Free Trial | ✓ | — | ✓ | ✓ | ✓ | ✓ |
Frequently asked questions
What are the best keyword research tools in 2026?
In 2026, Semrush leads our comparison with a score of 74/100, closely followed by Ahrefs, based on criteria like pricing, features depth, and accuracy.
How do Semrush and Ahrefs compare for keyword research?
Semrush and Ahrefs are top contenders, evaluated on their pricing, feature depth, search volume accuracy, reporting, competitor analysis, and keyword difficulty scoring.
Is Semrush the best keyword tool right now?
Semrush is currently ranked highest with a score of 74/100, excelling in key areas evaluated for keyword research effectiveness.
Where can I find a neutral comparison of keyword research tools?
Our comparison is neutral; rankings are not influenced by purchases, and all data is sourced to provide an objective overview of tools like Semrush and Ahrefs.
Methodology and transparency
Ranking: options are sorted on measured, sourced criteria. No position is ever sold, and no advertiser pays to appear here.
Scope: this comparison is not exhaustive. It presents the options our sources document, not every offer on the market.
Earnings: some outbound links may be affiliate links that earn us a commission. This never affects the ranking, the scores or the data.
Data: every value is linked to its source and refreshed automatically; the collection date is shown.