Writesonic vs Semrush: Two Takes on AI Search Visibility
Both now track how your brand shows up in ChatGPT, Gemini, and Perplexity answers — but they got there from opposite directions. Writesonic built an AI-visibility platform from scratch; Semrush bolted AI tracking onto a full SEO suite it's run for years. Here's how that shows up in practice.
Pricing side by side
| Tier | Writesonic | Semrush |
|---|---|---|
| Free | Free trial only, no permanent free plan | Free — $0/month (limited daily usage) |
| Entry tier | Starter — $79/mo (billed annually) | SEO — $139/mo ($117.33/mo annual) |
| Mid tier | Basic — $199/mo (billed annually) | Pro+ — $299/mo ($248.17/mo annual) |
| Higher tier | Growth — $399/mo (billed annually) | Advanced — $549/mo ($455.67/mo annual) |
Both verified directly on the official pricing pages, in USD, September 2026. Semrush also has a Starter tier ($199/mo) between SEO and Pro+, and an Enterprise tier on both sides is custom-quoted. Semrush's Free plan requires no card; Writesonic offers only a free trial, no permanent free tier.
Go with one over the other if...
Go with Writesonic if...
- AI-search visibility is your main problem, and you want a platform built around that from day one
- You want content generation tied directly to closing the specific gaps the platform finds
- You don't need traditional SEO tools like backlink analysis, PPC, or social media research
Go with Semrush if...
- You already need (or would use) classic SEO tools — keyword research, site audits, rank tracking
- You want one platform covering both Google rankings and AI-answer visibility, not two subscriptions
- You manage SEO for multiple sites and need the deeper competitor-research toolset
Purpose-built versus bolted-on — and why that's not automatically a verdict
Writesonic's AI-visibility tracking is the product, not a feature — everything from the Action Center to the content agents is oriented around finding and fixing AI-search gaps. That focus can make it feel more direct if AI visibility is genuinely your only concern.
Semrush's AI features arrived later, layered onto tools it's run for years — but "bolted on" doesn't mean shallow here. It's a mature research and tracking platform that added AI-answer monitoring across Google, ChatGPT, Perplexity and Gemini, on top of keyword research, site audits and competitor analysis it already did well. For a marketing team that needs both classic SEO and AI-visibility tracking, one Semrush subscription can replace what would otherwise be two separate tools.
Frequently asked questions
Does Semrush generate content like Writesonic does?
Semrush has AI-assisted content scoring and optimization tools (from Pro+), but it's not built as a content-generation-first product the way Writesonic is — content help exists to support the SEO workflow, not as the platform's core pitch.
Which one tracks more AI platforms?
Writesonic's Enterprise tier advertises tracking across 10 AI platforms; its lower tiers track fewer. Semrush's pricing page lists AI search performance tracking across Google's AI results, ChatGPT, Perplexity and Gemini specifically, scaling by daily "prompts" tracked per tier. Confirm current platform coverage on each vendor's page, since this is a fast-moving feature set on both sides.
Is either worth it for a solo blogger?
Not really, on pricing alone — both start well above typical single-user tool pricing ($79/mo and $139/mo respectively), and both are built with marketing teams or agencies as the primary buyer.
Our take
If you're starting from zero and AI-search visibility is the entire problem you're solving, Writesonic's purpose-built platform is the more direct fit. If you already need — or already pay for — traditional SEO tooling, Semrush's bundled approach is likely the better value, since you're not paying for two overlapping platforms to cover Google rankings and AI-answer visibility separately. Full detail in our Writesonic review and Semrush review.
Sources: pricing cross-checked against our own Writesonic review and Semrush review, each verified directly on the vendor's official pricing page in September 2026 (writesonic.com/pricing and semrush.com/pricing).