Lighthouse vs Rank Math
as AI assistants see them, week of 2026-10-12
Lighthouse and Rank Math land in roughly the same spot when AI assistants talk SEO tools, with overall scores of 5 out of 100 each. Lighthouse is named in 6 of 75 answers, Rank Math in 5 of 75, and across 25 shared questions they're tied 18 times, with Lighthouse ahead on 4 and Rank Math ahead on 3. Lighthouse shows up most for "What are the best SEO tools?" (2 of 3 answers), while Rank Math's strongest showing is "What tool should I use to optimize blog posts so they rank?" (also 2 of 3). Both go unmentioned for Semrush alternatives, technical audits, rank tracking, and value-for-money questions.
Head to head
| metric | Lighthouse | Rank Math |
|---|---|---|
| score | 5 | 5 |
| questions won | 5 | 4 |
By assistant
Lighthouse
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 1 | 0% of answers | |
| Claude | 9 | 20% of answers | #8.8 |
| Gemini | not sampled this week | ||
| Perplexity | 4 | 10% of answers | #8.0 |
Rank Math
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 1 | 0% of answers | |
| Claude | 6 | 10% of answers | #13.5 |
| Gemini | not sampled this week | ||
| Perplexity | 6 | 15% of answers | #8.3 |
Where they differ
Only Lighthouse gets named for
- What are the best SEO tools?
- What are the best free or low-cost SEO tools?
- What are the top SEO tools in 2026?
- Which SEO tools have the most accurate data?
Only Rank Math gets named for
- What tool should I use to optimize blog posts so they rank?
- What SEO tools should a beginner start with?
- What are the best SEO tools for a small business?
More comparisons
- BrightEdge vs Lighthouse
- Frase vs Lighthouse
- Lighthouse vs Majestic
- Lighthouse vs Whitespark
- BrightEdge vs Rank Math
- Frase vs Rank Math
Not sold on either?
Scores count how often each assistant names a product, weighted by position. How the score works · Full SEO tools leaderboard