# Semrush vs Ubersuggest: which do AI models recommend for SEO, October 2026

GTM AI Recommendation Index, October 2026 Edition, SEO and content optimization platforms. Ten of fourteen models named Semrush first on the direct prompt; zero named Ubersuggest. Page: https://gtm-ai-index.com/marketing/seo-content-optimization/semrush-vs-ubersuggest/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Semrush | 21% | #1 of 12 | 21% | 58 | 14 of 14 |
| Ubersuggest | 7% | #6 of 12 | 30% | 10 | 7 of 14 |

## The direct prompt, model by model

- Claude Haiku 4.5: semrush first (first choices: Semrush) (alternatives: Ahrefs, Moz, Surfer SEO, Writesonic)
- Gemini 3.5 Flash: semrush first (first choices: Clearscope, Semrush) (alternatives: Ahrefs, MarketMuse, Surfer SEO)
- Perplexity Sonar: semrush first (first choices: Semrush) (alternatives: HubSpot Marketing Hub, MarketMuse, Surfer SEO)
- Grok 4.20: semrush first (first choices: Semrush) (alternatives: Ahrefs, Clearscope, MarketMuse, SE Ranking, Surfer SEO)
- Mistral Small: semrush first (first choices: Ahrefs, Semrush) (alternatives: Clearscope, Google Keyword Planner, Google Search Console, HubSpot Marketing Hub, Screaming Frog SEO Spider, Surfer SEO)
- DeepSeek V4 Flash: semrush first (first choices: Semrush) (alternatives: Ahrefs, Clearscope, SE Ranking, Surfer SEO)
- Qwen 3.7 Flash: semrush first (first choices: Semrush) (alternatives: Sight AI, Surfer SEO)
- GLM 4.7 FlashX: semrush first (first choices: Semrush) (alternatives: Ahrefs, Clearscope, Surfer SEO)
- MiniMax M2.5: semrush first (first choices: Semrush) (alternatives: Conductor, SE Ranking, Sight AI)
- GPT-6 Luna: semrush first (first choices: Semrush) (alternatives: Conductor)
- GPT-5.4 mini: neither first, one named (first choices: Conductor) (alternatives: Clearscope, Semrush)
- Kimi K2: neither first, one named (first choices: Clearscope) (alternatives: Frase, Semrush, Surfer SEO)
- Llama 4 Maverick: neither named (first choices: Sight AI)
- Muse Glimmer 30B: neither named (first choices: Surfer SEO) (alternatives: Clearscope, MarketMuse)

## What the models said about Semrush

- "you cannot afford to waste money on bloated enterprise platforms like Semrush, Ahrefs, or Clearscope, which easily run $100 to over $150 per month" (Gemini 3.5 Flash, budget prompt, soft negative)
- ""Semrush is the market's most comprehensive all-in-one SEO platform." ... If you need backlink intelligence and full marketing reporting, start with Semrush or Ahrefs." (Muse Glimmer 30B, comparative prompt, first choice)
- "the pairing of Semrush and Clearscope remains the most reliable, high-performing combination for mid-market B2B organizations" (Gemini 3.5 Flash, direct prompt, first choice)
- "For most mid-market B2B companies, Semrush offers the best balance of features, pricing, and procurement readiness." (MiniMax M2.5, direct prompt, first choice)

## What the models said about Ubersuggest

- "listed by one reviewer among tools they do not recommend" (Perplexity Sonar, negative prompt, hard negative)
- "Budget tool with persistent accuracy/quality gripes; fine for basics, but don't rely on it solo." (Grok 4.20, negative prompt, soft negative)
- "Ubersuggest's data accuracy ... lags behind premium tools like Ahrefs and Semrush by 20–40%" (DeepSeek V4 Flash, negative prompt, soft negative)
- "Ubersuggest – Best Overall Budget Choice ... Why It Wins: Lowest starting price in the category" (GLM 4.7 FlashX, budget prompt, first choice)
- "I'd suggest starting with Ubersuggest ($20/month) or Ranktracker (free tier)" (MiniMax M2.5, budget prompt, first choice)
- "Ubersuggest — Best Overall Budget Option" (DeepSeek V4 Flash, budget prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen 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.