GlassboxAI-powered customer intelligence insights for proactive, preventive and secure digital customer experiences.
vs
SemrushThe unified SEO and AI search solution
Comparison · Web Analytics · weekly run Nov 2
Glassbox vs Semrush
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Glassbox is the stronger AI pick in Web Analytics: it has a visibility score of 4.4 versus 2.4 for Semrush.
Choose Glassbox if…
- You want the brand AI engines rank higher (4.4 vs 2.4)
- AI answers describe it more positively (83% vs 49% positive)
- You need SOC 2 Type II or ISO 27001 or ISO 27017 or ISO 27701 or ISO 42001 or CSA STAR Level 1 coverage
- Strong enterprise performer blending quantitative analytics with qualitative context
Choose Semrush if…
- You prefer a larger, established vendor (1,001–5,000 employees)
- Widely recommended as a top-tier all-in-one platform for broad suites
- Strong keyword research, competitor analysis, and site auditing
- Strongest overall all-in-one SEO choice for most businesses
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Glassbox | Semrush |
|---|---|---|
| Visibility score | 4.4% | 2.4% |
| Change vs last week | New | New |
| Rank in Web Analytics | #17 | #24 |
| Share of voice | 1.2% | 0.8% |
| Mentions this run | 6 | 4 |
| Positive in AI answers | 83% | 49% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Glassbox 0pp · Semrush 0pp over 0 weekly runs.
Engine by engine
Glassbox leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
GlassboxSemrush
Head to head in AI answers
0 engine answers name both brands
0Glassbox ranked higher
0Semrush ranked higher
Features, pricing & fit
| Dimension | Glassbox | Semrush |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | Free; paid from $139 / mo |
| Free plan | — | Yes |
| Deployment | Single-tenant cloud on AWS or Microsoft Azure, and multi-tenant cloud. | — |
| Compliance | SOC 2 Type II, ISO 27001, ISO 27017, ISO 27701, ISO 42001, CSA STAR Level 1 | — |
| Support | — | Help Center and Basic Onboarding, Enterprise SLA and 24/7 support, Dedicated account manager |
| Founded | 2010 | 2008 |
| Headquarters | London, United Kingdom | Boston, MA |
| Employees | 201–500 | 1,001–5,000 |
| Funding | Minority investment from Poalim Equity · $70M raised | IPO |
| Best for | Highly regulated enterprises, such as financial services organisations, that need digital experience analytics with security and compliance. | Freelancers and small businesses through to agencies and enterprises managing multiple brands, regions and teams. |
Plans side by side
Glassbox
Pricing not available.
Semrush
Free$0month
SEO$139month
Starter SEO + AI Search$199month
Pro+ SEO + AI Search$299month
Advanced SEO + AI SearchCustomcustom
EnterpriseCustomcustom
Pros and cons
Themes from the AI answers that mention each brand
Glassbox
- Strong enterprise performer blending quantitative analytics with qualitative context
- Analysts frequently recommend it for combining event data with session replays
- Exceptionally high user ratings, around 4.8 to 4.9 out of 5 on G2
- Deep customer journey mapping and session playback
- Highest review rating among established web analytics tools
Semrush
- Widely recommended as a top-tier all-in-one platform for broad suites
- Strong keyword research, competitor analysis, and site auditing
- Strongest overall all-in-one SEO choice for most businesses
- Good value with discounts on annual billing and free trial
- Useful AI search visibility and rank tracking
- Pricing is high, with enterprise-style suites costing around $100 or more per month
- Less comprehensive than Ahrefs for backlinks in some comparisons
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Glassbox vs Semrush”, https://slateindex.ai/compare/glassbox-vs-semrush, data of Nov 2, 2026. Licence: CC BY 4.0.