The engines agree on 1 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 Coding Assistants, measured on 2026-09-14.
7%questions settled
14questions split
5engines compared
Question by question
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.
Questionchatgptclaudeclaude-codecodexperplexityVerdict
What is the best AI coding assistant?chatgpt: GitHub Copilot100%claude: Claude Code100%claude-code: Claude Code100%codex: Cursor100%perplexity: GitHub Copilot60%Split
Which AI is best for writing code in 2026?chatgpt: GitHub Copilot100%claude: Claude Code60%claude-code: Claude Code80%codex: Claude Code60%perplexity: Cursor100%Split
What AI coding tool should a beginner start with?chatgpt: GitHub Copilot100%claude: GitHub Copilot100%claude-code: Cursor100%codex: Cursor80%perplexity: Replit Agent100%Split
Which AI coding assistant is best for a large existing codebase?chatgpt: GitHub Copilot60%claude: Claude Code100%claude-code: Claude Code80%codex: Cursor100%perplexity: Sourcegraph Cody80%Split
What is the best AI pair programmer for a professional developer?chatgpt: GitHub Copilot100%claude: Claude Code100%claude-code: Claude Code100%codex: Cursor100%perplexity: Cursor100%Split
Which AI coding tool gives the best value for money?chatgpt: GitHub Copilot100%claude: GitHub Copilot100%claude-code: —50%codex: GitHub Copilot100%perplexity: GitHub Copilot100%Split
What is the best AI agent for autonomous coding tasks?chatgpt: Devin80%claude: Claude Code100%claude-code: Claude Code100%codex: Devin60%perplexity: Claude Code80%Split
Which AI coding assistant works best in the terminal?chatgpt: GitHub Copilot100%claude: Claude Code100%claude-code: Claude Code100%codex: Claude Code100%perplexity: Claude Code100%Split
What is the best AI code editor?chatgpt: Cursor60%claude: Cursor100%claude-code: Cursor100%codex: Cursor100%perplexity: Cursor100%Agreed
Which AI coding tool do professional software teams prefer?chatgpt: GitHub Copilot100%claude: Claude Code60%claude-code: GitHub Copilot80%codex: Claude Code100%perplexity: GitHub Copilot100%Split
What is the best free AI coding assistant?chatgpt: GitHub Copilot60%claude: Gemini Code Assist60%claude-code: Gemini Code Assist100%codex: GitHub Copilot80%perplexity: Gemini Code Assist80%Split
Which AI is best at debugging existing code?chatgpt: —40%claude: Claude Code60%claude-code: Claude Code60%codex: Claude Code60%perplexity: Claude Code80%Split
What is the best AI coding assistant for refactoring?chatgpt: —40%claude: Claude Code100%claude-code: Claude Code80%codex: Cursor100%perplexity: Claude Code100%Split
Which AI coding tool has the best code review capability?chatgpt: GitHub Copilot100%claude: Greptile60%claude-code: CodeRabbit60%codex: CodeRabbit100%perplexity: Qodo80%Split
What AI coding assistant should I use for a side project?chatgpt: GitHub Copilot100%claude: GitHub Copilot60%claude-code: GitHub Copilot60%codex: Cursor100%perplexity: GitHub Copilot100%Split
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.
chatgpt6/15
codex5/15
claude1/15
claude-code1/15
perplexity1/15