Content optimisation tool for ranking on Google.
★ 4.3 Essential $99/mo Paid only
Best for: Content teams optimising articles to rank on Google
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4.3
AI SEO Tools
5 tools reviewed
Quick answer
- Best seo AI tool: Surfer SEO (4.3/5)
- Cheapest: Google Gemini Embedding 2 — Free
- Free tier: 2 of 5 tools
- See also: all rankings · cheapest by category
At a glance
| Surfer SEO | 4.3/5 · Essential $99/mo · Free tier: No |
|---|---|
| Frase | 4/5 · Free trial · Free tier: No |
| Google Gemini Embedding 2 | 3.9/5 · Free via Google Cloud API · Free tier: Yes |
| Alli AI | 3.7/5 · Pricing not publicly listed at time of review · Free tier: Yes |
| Bloomiro | 3.2/5 · Pricing not publicly listed at time of review · Free tier: No |
Reviewed seo tools
AI SEO content research, briefs and writing.
★ 4.0 Free trial Paid only
Best for: Writers who want briefs and optimisation in one tool
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4.0
A multimodal embedding model that converts text, images, video, audio, and PDFs into unified vector representations for search and analysis.
★ 3.9 Free via Google Cloud API Free tier
Best for: Teams managing heterogeneous datasets (text, images, video, audio) who need semantic search and analysis across all modalities without building separate indexing pipelines.
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3.9
A WordPress plugin that optimises site visibility to AI search engines and crawlers.
★ 3.7 Pricing not publicly listed at time of review Free tier
Best for: WordPress-powered publishers, bloggers, and e-commerce sites seeking to secure visibility in emerging AI search engines.
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3.7
An MCP tool that improves SEO visibility and AI search rankings by optimising content for modern search engines and AI-powered discovery.
★ 3.2 Pricing not publicly listed at time of review Paid only
Best for: Content teams and small publishers exploring how to optimise for AI-native search platforms like Perplexity Search and ChatGPT's web search feature.
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3.2
SEO AI tools FAQ
What are the best seo AI tools? +
The top-rated seo tools on WireTensors are Surfer SEO (4.3/5), Frase (4/5), Google Gemini Embedding 2 (3.9/5).
Which seo AI tool has the best free tier? +
Tools with a free tier include Google Gemini Embedding 2, Alli AI.
What is the cheapest seo AI tool? +
The cheapest seo AI tool is Google Gemini Embedding 2 (Free tier), rated 3.9/5. See all tools ranked by price on our cheapest AI tools page.
How much do seo AI tools cost? +
Pricing varies: Surfer SEO Essential $99/mo; Frase Free trial; Google Gemini Embedding 2 Free via Google Cloud API; Alli AI Pricing not publicly listed at time of review; Bloomiro Pricing not publicly listed at time of review.
What should I look for in a seo AI tool? +
AI SEO tools support keyword research, content briefs and on-page optimisation to improve organic search rankings. This category covers research-and-brief tools and full content optimisation suites.
Which seo tool is best for beginners? +
Beginners often prefer tools with a free tier and simple onboarding, such as Google Gemini Embedding 2.
Are these seo reviews independent? +
Yes. WireTensors reviews neutrally. Some links are affiliate links and we may earn a commission, but this never affects ratings or rankings.
How are seo tools rated? +
Each tool gets a 1–5 rating weighing capability, value, free-tier availability and fit for its intended use case.
When were these seo reviews last verified? +
These reviews were last verified on 2026-08-05 against each vendor's official site.
Reviewed by Arjun Mehta
AI tools analyst; 8+ years reviewing SaaS and developer tooling
Last verified:
Sources
- Vendor official sites — verified