Semrush One
Synthesia
Pricing
PricingPaid
PricingFreemium
Free Plan
Free Plan
Free Plan
Side-by-side comparison based on pricing, features, and community data.
Semrush One and Synthesia are both AI marketing tools. Semrush One is Paid; Synthesia is Freemium. These tools serve entirely different purposes and shouldn't be compared directly.
These tools serve entirely different purposes and shouldn't be compared directly. Semrush One is a marketing intelligence platform for SEO, PPC, and competitive analysis. Synthesia is an AI video production tool. Pick Semrush One if you need keyword research, rank tracking, backlink analysis, and competitor benchmarking across 25+ billion keywords—it's built for marketers optimizing search visibility. Pick Synthesia if you need to produce multilingual training, marketing, or internal communication videos quickly without actors or studios. They're not alternatives; they address separate workflows. A marketing team might use both together: Semrush for strategy, Synthesia for content delivery.
Pick Semrush One if you're managing SEO campaigns, PPC strategies, or competitive intelligence for brands and agencies.
Pick Synthesia if you need to produce professional videos in 160+ languages without cameras, studios, or technical expertise.
| Feature | Semrush One | Synthesia |
|---|---|---|
| Primary Use Case | SEO & marketing intelligence | AI video creation |
| Keyword/Competitor Research | ✓ 25B+ keywords, 140+ countries | — |
| Video Production | — | ✓ 240+ avatars, 160+ languages |
| Rank Tracking | ✓ Mobile/desktop/geo-specific | — |
| API Access | Business tier only | ✓ Available |
| Free Plan | ✓ Available | ✓ Freemium |
| Learning Curve | Steep (many tools) | Minimal (drag-and-drop) |
Synthesized by AI from verified tool data · cached per pair
5 projects, 500 keywords to track, 10,000 results per report
15 projects, 1,500 keywords to track, 30,000 results per report, Content Marketing Toolkit
40 projects, 5,000 keywords to track, 50,000 results per report, API access
1,200 credits/mo, up to 10 minutes of video/month
1,200 credits/mo, up to 10 minutes of video or AI Dubbing/month
3,600 credits/mo, up to 30 minutes of video or AI Dubbing/month
Unlimited video minutes, custom credits
