The engines agree on 5 of 15 questions.
Each engine’s pick is the brand it named first most often across its repeats. Where every engine picks the same brand, the question is settled. Where they split, the answer a buyer gets depends on which assistant they happened to ask. AI Writing Tools, measured on 2026-08-22.
33%questions settled
10questions split
3engines compared
Question by question
Legacy reading: question wording comes from the current bank; historical wording was not recorded.
A pick set in full weight is one that differs from what the other engines chose. Colour is not used here, so a split reads the same in greyscale or in a screenshot.
QuestionchatgptclaudeperplexityVerdict
What is the best AI writing tool?chatgpt: —40%claude: Claude80%perplexity: ChatGPT100%Split 3
Which AI is best for writing blog posts?chatgpt: Claude60%claude: Claude100%perplexity: Claude100%Agreed
What is the best AI for writing marketing copy?chatgpt: Jasper60%claude: ChatGPT60%perplexity: Jasper100%Split
Which AI writing assistant should a beginner use?chatgpt: ChatGPT60%claude: ChatGPT100%perplexity: ChatGPT100%Agreed
What is the best AI for long form writing?chatgpt: Claude60%claude: Claude100%perplexity: Claude100%Agreed
Which AI writes the most natural sounding text?chatgpt: —20%claude: Claude100%perplexity: Claude100%Split
What is the best free AI writing tool?chatgpt: ChatGPT40%claude: Claude60%perplexity: —0%Split 3
Which AI is best for editing and proofreading?chatgpt: Grammarly60%claude: Grammarly100%perplexity: Grammarly100%Agreed
What AI writing tool do professional writers prefer?chatgpt: ChatGPT100%claude: Claude60%perplexity: ChatGPT60%Split
Which AI is best for writing fiction?chatgpt: Claude80%claude: Claude100%perplexity: Sudowrite100%Split
What is the best AI for writing emails?chatgpt: —40%claude: ChatGPT60%perplexity: Claude100%Split 3
Which AI writing tool gives the best value for money?chatgpt: Gemini40%claude: Claude40%perplexity: —40%Split 3
What is the best AI for rewriting and paraphrasing?chatgpt: QuillBot60%claude: —40%perplexity: QuillBot100%Split
Which AI is best for technical writing and documentation?chatgpt: Claude80%claude: Claude100%perplexity: Claude100%Agreed
What AI writing tool is best for a small business?chatgpt: Jasper80%claude: —40%perplexity: ChatGPT100%Split 3
Where each engine breaks from the pack
How often an engine’s pick differs from the brand most engines chose. Reported per engine rather than naming one contrarian, because the odd one out changes from question to question.
claude3/15
chatgpt1/15
perplexity1/15