ToolRankBest AI SEO and AI search visibility tools
Updated 24 Oct 2026 · Prices from vendor pages only · How we rank →
The short answer
These tools research keywords, optimise content or track how your brand shows up in Google and AI answers. Surfer comes first: combines a content editor with AI visibility tracking, with MCP and API on higher plans. The cheapest verified paid plan here is Ahrefs Starter ($29/month). 2 of the 4 have a free plan we could confirm. Every price below is from the vendor’s own page, checked 20–22 Oct 2026.
Ranked shortlist
- Surfer: Combines a content editor with AI visibility tracking, with MCP and API on higher plans. Plan: Discovery: $49/month
Content drafting and optimisation - Writesonic: Pairs AI visibility tracking with articles and audits, with a free trial and no card. Plan: Starter: $79/month billed annually
1 user, 50 prompts tracked, 15 AI articles/month - Ahrefs: A free plan for site owners and API and MCP access from the Standard plan. Plan: Starter: $29/month
Keyword and competitor research basics - Semrush: A free plan, a 7-day free trial and MCP access from the Starter plan. Plan: SEO: $117.33/month billed annually; $139/month billed monthly
5 websites, 500 tracked keywords
Order follows ToolRank’s editorial ranking in Marketing & Sales, filtered to tools that fit this page. Anything we couldn’t confirm on a vendor page says “Not yet verified”.
Side by side
| Rank | Tool | Relevant plan | Starting price | Free plan | Best for | Main limitation | Last checked |
|---|---|---|---|---|---|---|---|
| #1 | Surfer | Discovery: $49/month Content drafting and optimisation | $49/month (Discovery) | ✕ None listed | Content teams who want to rank in Google and get cited in AI answers | No free plan; API access is on the top Peace of Mind plan | 20 Oct 2026 |
| #2 | Writesonic | Starter: $79/month billed annually 1 user, 50 prompts tracked, 15 AI articles/month | $79/month (Starter, billed annually) | Free trial, no credit card needed | Marketing teams who want to see and improve how AI answers mention their brand | Plans start at $79 a month billed annually; agentic workflows are trial-limited below Enterprise | 20 Oct 2026 |
| #3 | Ahrefs | Starter: $29/month Keyword and competitor research basics | $29/month (Starter) | Ahrefs Free: limited Site Explorer and Site Audit for your own site | SEO teams and consultants who want deep search data inside their AI tools | No trials or discounts; API and MCP start on the $249 Standard plan | 22 Oct 2026 |
| #4 | Semrush | SEO: $117.33/month billed annually; $139/month billed monthly 5 websites, 500 tracked keywords | $117.33/month (SEO, billed annually) | Free: $0/month, 10 reports a day, no credit card; 7-day free trial of paid plans | Marketers who want SEO and AI-search tracking in one tool | Paid plans start above $100 a month; API access needs the custom Advanced plan | 22 Oct 2026 |
Prices as listed by each vendor on the last-checked date, USD, before tax. Plans and limits change, so follow the sources below.
Who should pick which
Pick Surfer for content teams who want to rank in Google and get cited in AI answers (Discovery: $49/month). Watch out: no free plan; API access is on the top Peace of Mind plan. Pick Writesonic for marketing teams who want to see and improve how AI answers mention their brand (Starter: $79/month billed annually). Watch out: plans start at $79 a month billed annually; agentic workflows are trial-limited below Enterprise. Pick Ahrefs for SEO teams and consultants who want deep search data inside their AI tools (Starter: $29/month). Watch out: no trials or discounts; API and MCP start on the $249 Standard plan. Pick Semrush for marketers who want SEO and AI-search tracking in one tool (SEO: $117.33/month billed annually; $139/month billed monthly). Watch out: paid plans start above $100 a month; API access needs the custom Advanced plan.
FAQ
Which of these is cheapest?
Ahrefs Starter ($29/month) is the lowest paid price we verified on this list (https://ahrefs.com/pricing, checked 22 Oct 2026). Check the vendor page for tax, billing period and usage limits.
Which of these have a free plan?
Ahrefs: Ahrefs Free: limited Site Explorer and Site Audit for your own site; Semrush: Free: $0/month, 10 reports a day, no credit card; 7-day free trial of paid plans.
How were these tools chosen?
They are the tools in ToolRank's rankings with SEO or AI search visibility as the vendor's core product, confirmed on the vendor's own website on 20–22 Oct 2026. Tools we could not verify are left out rather than guessed, and anything unconfirmed is marked Not yet verified.
Sources
- Surfer: Surfer pricing checked 20 Oct 2026
- Writesonic: Writesonic pricing checked 20 Oct 2026
- Ahrefs: Ahrefs pricing and FAQ checked 22 Oct 2026
- Semrush: Semrush plans and pricing checked 22 Oct 2026
Related comparisons
Profiles: Surfer · Writesonic · Ahrefs · Semrush
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