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SEO and content optimization platforms · October 2026 Edition

Semrush vs Ubersuggest

Ten of fourteen models named Semrush first on the direct prompt; zero named Ubersuggest. Semrush was named by fourteen of the fourteen models and Ubersuggest by seven and Semrush carries 58 labels and Ubersuggest 10, so the shares are not directly comparable.

Semrush

accepted challenger

Boston, United States, founded 2008. Named in ten categories this edition.

Ubersuggest

criticized challenger

By Neil Patel. Named in four categories this edition.

First-choice share21%7%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate21%30%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#6A position in a field of 12; printed, not drawn.
Labels5810A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Semrush reading right to left. Rank and label count are printed, not drawn.Surfer SEO was named alongside these two in ten of the fourteen direct answers. Semrush vs Surfer SEO · Semrush vs Clearscope · Semrush vs SE Ranking

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; every quote names the model and the prompt it came from. Both figures come from the SEO and content optimization platforms page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
SemrushFirst choices, of fourteen modelsUbersuggest
Direct100
Paraphrase101 against Semrush
Comparative801 against Semrush
Budget-constrained045 against Semrush
Scale-constrained10
Negative105 against Semrush · 3 against Ubersuggest
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Semrush and Ubersuggest stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
Semrush Ubersuggest first choice named as an alternative argued againstblank: not namedEach cell is one answer, Semrush on the left and Ubersuggest on the right.

The direct prompt

The plain question, one answer per model, grouped by where Semrush and Ubersuggest stood in it.

Semrush first, Ubersuggest not the choice

10 of 14 modelsUbersuggest was named in the answer but not as the choice, or not at all.
Claude Haiku 4.5Semrush alternatives: Ahrefs, Moz, Surfer SEO, Writesonic
Gemini 3.5 FlashClearscope, Semrush alternatives: Ahrefs, MarketMuse, Surfer SEO
Perplexity SonarSemrush alternatives: HubSpot Marketing Hub, MarketMuse, Surfer SEO
Grok 4.20Semrush alternatives: Ahrefs, Clearscope, MarketMuse, SE Ranking, Surfer SEO
Mistral SmallAhrefs, Semrush alternatives: Clearscope, Google Keyword Planner, Google Search Console, HubSpot Marketing Hub, Screaming Frog SEO Spider, Surfer SEO
DeepSeek V4 FlashSemrush alternatives: Ahrefs, Clearscope, SE Ranking, Surfer SEO
Qwen 3.7 FlashSemrush alternatives: Sight AI, Surfer SEO
GLM 4.7 FlashXSemrush alternatives: Ahrefs, Clearscope, Surfer SEO
MiniMax M2.5Semrush alternatives: Conductor, SE Ranking, Sight AI
GPT-6 LunaSemrush alternatives: Conductor

Neither was the first choice, one was named

2 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniConductor alternatives: Clearscope, Semrush
Kimi K2Clearscope alternatives: Frase, Semrush, Surfer SEO

Neither was named

2 of 14 modelsThe answer made no first choice from these two in this category.
Llama 4 MaverickSight AI
Muse Glimmer 30BSurfer SEO alternatives: Clearscope, MarketMuse

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Semrush leads by two points.
Semrush12%#3 of 11
Ubersuggest11%#4 of 11
The full small business standing →
Mid-marketThe figures above
Semrush leads by fourteen points.
Semrush21%#1 of 12
Ubersuggest7%#6 of 12
The full mid-market standing →
Enterprise
Semrush leads by nine points.
Semrush9%#5 of 11
Ubersuggest0%#– of 11
The full enterprise standing →

What the models said about Semrush

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.

“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

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of six in this category shown.

“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
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.