| Category | Vertical | First choices | Rank | Negative rate | Labels | Quadrant |
|---|---|---|---|---|---|---|
| SEO and content optimization platforms | Marketing | 30% | 1 of 45 | 21% | 28 | endorsed leader |
| Model | First choice | Alternative | Mention | Negative | Labels |
|---|---|---|---|---|---|
| Claude Opus 5 | 2 | 1 | 1 | 1 | 5 |
| Claude Opus 4.8 | 2 | 1 | 1 | 0 | 4 |
| GPT-6 Astra | 3 | 0 | 0 | 2 | 5 |
| GPT-5.6 Sol | 3 | 1 | 0 | 2 | 6 |
| Gemini 3.1 Pro | 1 | 3 | 0 | 1 | 5 |
| Perplexity Sonar Pro | 3 | 0 | 0 | 0 | 3 |
Verbatim evidence the judge attached to positive labels.
“Strong candidate for broad competitive data, SEO and AI-search optimization, forecasting, automation, and multi-market programs.” GPT-5.6 Sol · SEO · scale prompt · first choice
“Best overall: Semrush Pro+ ... the strongest single-platform choice for a typical mid-market B2B software company.” GPT-5.6 Sol · SEO · direct prompt · first choice
“Semrush is best understood as a full marketing platform rather than a pure SEO tool.” Claude Opus 4.8 · SEO · comparative prompt · first choice
“Semrush is my default recommendation for a mid-market B2B software company” GPT-6 Astra · SEO · direct prompt · first choice
Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.
“its full SEO Toolkit starts at $139.95 monthly, making it difficult to justify for most budget-constrained companies” GPT-5.6 Sol · SEO · budget prompt · soft negative
“be cautious—not automatically dismissive—about Semrush, Ahrefs, and Surfer for specific billing or workflow reasons” GPT-6 Astra · SEO · negative prompt · soft negative
“dropping $130+ a month on premium platforms like Ahrefs, Semrush, or Clearscope often isn't feasible” Gemini 3.1 Pro · SEO · budget prompt · soft negative
“$100+/mo (probably skip for now) ... Semrush — broadest feature set.” Claude Opus 5 · SEO · budget prompt · soft negative
Claiming is free and changes nothing in the data. A claimed page gets a verified contact who is told when each edition publishes; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as Semrush, applied by version and listed in the change log; and a logo and one-line description supplied by the vendor and marked as such.
It does not get any change to labels, shares or quadrants, any preview, or any say over which quotes appear. Sponsorship is separate: a sponsor funds categories or buyer dimensions and is named on what it funded, and the rules are the same for every sponsor.