# Surfer SEO vs Clearscope: which do AI models recommend for SEO, September 2026

GTM AI Recommendation Index, September 2026 Edition, SEO and content optimization platforms. Three of twelve models named Surfer SEO first on the direct prompt; zero named Clearscope. Page: https://gtm-ai-index.com/marketing/seo-content-optimization/surfer-seo-vs-clearscope/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Surfer SEO | 25% | #1 of 16 | 12% | 56 | 12 of 12 |
| Clearscope | 6% | #4 of 16 | 16% | 50 | 12 of 12 |

## The direct prompt, model by model

- Gemini 3.5 Flash: surfer seo first (first choices: Semrush, Surfer SEO) (alternatives: Ahrefs, Clearscope, SE Ranking)
- Grok 4.1 Fast: surfer seo first (first choices: Surfer SEO) (alternatives: Ahrefs, Clearscope, Frase, MarketMuse, Semrush)
- MiniMax M2.5: surfer seo first (first choices: Surfer SEO) (alternatives: Ahrefs, MarketMuse)
- GPT-5.4 mini: neither first, one named (first choices: Semrush) (alternatives: Ahrefs, Clearscope, Conductor)
- Perplexity Sonar: neither first, one named (first choices: Semrush) (alternatives: Ahrefs, Clearscope, Surfer SEO)
- Mistral Small: neither first, one named (first choices: HubSpot Content Hub, HubSpot Marketing Hub) (alternatives: Clearscope, MarketMuse, Semrush, Surfer SEO)
- DeepSeek V4 Flash: neither first, one named (first choices: Semrush) (alternatives: Ahrefs, Clearscope, MarketMuse, Surfer SEO)
- Llama 4 Maverick: neither first, one named (first choices: Keygrip) (alternatives: Ahrefs, Clearscope, Screaming Frog, Semrush, Surfer SEO)
- Qwen 3.7 Flash: neither first, one named (first choices: Ahrefs, Semrush) (alternatives: Clearscope, HubSpot, SE Ranking, Screaming Frog, Sitebulb, Surfer SEO)
- Kimi K2: neither first, one named (first choices: Semrush) (alternatives: Ahrefs, Clearscope, MarketMuse, Screaming Frog, Surfer SEO)
- GLM 4.7 FlashX: neither first, one named (first choices: Semrush) (alternatives: Ahrefs, Clearscope, NeuronWriter, Surfer SEO)
- Claude Haiku 4.5: neither named (first choices: Sight AI) (alternatives: Intero Digital, Stratabeat, Ubersuggest, Virayo, Writesonic)

## What the models said about Surfer SEO

- "Surfer SEO — entry plan is $49/mo, but AI tracking requires pricier tiers; more expensive than Frase" (DeepSeek V4 Flash, budget prompt, hard negative)
- "Content optimization platforms like Surfer SEO, Clearscope, Frase, or Rankability... they are highly dangerous when misused" (Gemini 3.5 Flash, negative prompt, soft negative)
- "premium content editors (like Clearscope or Surfer SEO) often start around $100 to $140+ per month" (Gemini 3.5 Flash, budget prompt, soft negative)
- "Ahrefs + Surfer SEO provides the best balance of comprehensive research capabilities and content optimization at $298/month" (MiniMax M2.5, direct prompt, first choice)
- "The Best All-Rounder: Surfer SEO ... Surfer is widely considered the market leader for real-time content optimization." (Qwen 3.7 Flash, paraphrase prompt, first choice)
- "Choose Surfer SEO if you want the most mature real-time optimization experience and produce content at volume" (Kimi K2, comparative prompt, first choice)

## What the models said about Clearscope

- "Clearscope ($129+/mo) — enterprise-grade pricing" (DeepSeek V4 Flash, budget prompt, hard negative)
- "$189-350/month; extremely high price for solo users; no free trial; limited to content optimization only" (Kimi K2, negative prompt, soft negative)
- "premium content editors (like Clearscope or Surfer SEO) often start around $100 to $140+ per month" (Gemini 3.5 Flash, budget prompt, soft negative)
- "Semrush Enterprise (~$18K/yr) + Clearscope or Surfer (~$1\u2013$15K/yr) for a cost-effective, comprehensive stack" (DeepSeek V4 Flash, scale prompt, first choice)
- "I'd usually recommend Clearscope if your main goal is to improve content quality and search performance" (GPT-5.4 mini, paraphrase prompt, first choice)
- "Legitimate paid tools: Surfer SEO, Clearscope, RankUp (with proper trials)" (Mistral Small, negative prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.