OrdinalBuild a content engine that drives revenue.
vs
SemrushThe unified SEO and AI search solution
Comparison · Social Media Management · weekly run Nov 2
Ordinal vs Semrush
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Ordinal is the stronger AI pick in Social Media Management: it has a visibility score of 1.1 versus 0.4 for Semrush.
Choose Ordinal if…
- You want the brand AI engines rank higher (1.1 vs 0.4)
- You want a lower entry price ($95 vs $139)
- AI answers describe it more positively (100% vs 49% positive)
- Recommended when LinkedIn is the primary channel
Choose Semrush if…
- You want a free plan to start
- 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
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Ordinal | Semrush |
|---|---|---|
| Visibility score | 1.1% | 0.4% |
| Change vs last week | New | New |
| Rank in Social Media Management | #29 | #37 |
| Share of voice | 0.3% | 0.2% |
| Mentions this run | 2 | 1 |
| Positive in AI answers | 100% | 49% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Ordinal 0pp · Semrush 0pp over 0 weekly runs.
Engine by engine
Ordinal leads on 1 of 3 engines
ChatGPT
AI Mode
Perplexity
OrdinalSemrush
Head to head in AI answers
0 engine answers name both brands
0Ordinal ranked higher
0Semrush ranked higher
Features, pricing & fit
| Dimension | Ordinal | Semrush |
|---|---|---|
| Pricing model | Flat tiers | Flat tiers |
| Entry price | $95 / mo | Free; paid from $139 / mo |
| Free plan | No · 14-day trial | Yes |
| Support | Email and chat support for all customers, Shared Slack channel for Growth, Enterprise and agency plans, Personal onboarding and demo calls | Help Center and Basic Onboarding, Enterprise SLA and 24/7 support, Dedicated account manager |
| Founded | — | 2008 |
| Headquarters | San Francisco, California, United States | Boston, MA |
| Employees | 11–50 | 1,001–5,000 |
| Funding | — | IPO |
| Best for | Founders, executives, social media managers, content marketers, growth teams and content agencies that publish on LinkedIn and other social channels. | Freelancers and small businesses through to agencies and enterprises managing multiple brands, regions and teams. |
Plans side by side
Ordinal
Starter$95month (billed monthly; $85/mo. billed annually)
Pro$265month (billed monthly; $235/mo. billed annually)
Growth$695month (billed monthly; $625/mo. billed annually)
EnterpriseCustomcustom
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
Ordinal
- Recommended when LinkedIn is the primary channel
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, “Ordinal vs Semrush”, https://slateindex.ai/compare/ordinal-vs-semrush, data of Nov 2, 2026. Licence: CC BY 4.0.