AI Chatbot Comparison Summary

Jun 29, 2025

Overview

This review systematically compares ChatGPT, Google Gemini, Perplexity, and Grok AI chatbots across diverse real-world tests, assessing their accuracy, speed, integration, and usability to determine the best overall AI assistant for average consumers.

Problem Solving and Reasoning

  • Grok gave the most confident and practical answer for fitting suitcases in a Honda Civic's boot, accurately stating "two."
  • For ingredient identification via photo, only Grok correctly identified dried mushrooms and excluded them from a cake recipe.
  • None of the AIs could generate a downloadable, editable tournament tracker document; all produced basic templates.
  • All assistants answered a math question (Ï€ × speed of light) accurately, with minor rounding differences.
  • For calculating weeks to save for a Switch 2, all correctly reasoned through the problem and delivered the right answer.

Language and Translation Skills

  • All four produced adequate translations for simple sentences.
  • ChatGPT and Perplexity excelled in translating a complex homonym-laden sentence; Gemini was sufficient, Grok failed to maintain meaning.

Product Research and Recommendations

  • Gemini hallucinated a non-existent earphone model; Grok was the only one to recommend actual red earphones.
  • For noise-canceling earbuds under $100, ChatGPT and Gemini performed well; Perplexity and Grok made significant errors.
  • Most AIs acknowledged impossibility for finding suitable earphones under $10, except Perplexity, which misrepresented pricing.

Web and File Handling

  • No assistant could extract details from pasted AliExpress links.
  • All assistants accurately identified a newly released 500W charger from Ugreen.
  • Each could summarize a tech product review file in three bullet points.

Critical Thinking and Analysis

  • On survivorship bias (plane damage), all identified the correct insight: reinforce undamaged areas.
  • ChatGPT and Perplexity correctly deduced car model details from a photo.

Generation Tasks (Writing, Image, and Video)

  • All composed competent apology emails and Tokyo food itineraries; ChatGPT organized itineraries best.
  • For video ideas, Gemini and Grok offered the most original and practical suggestions.
  • Only ChatGPT and Gemini could generate tech review videos; Gemini’s output quality surpassed ChatGPT’s.
  • Image generation and editing abilities varied; none produced fully satisfactory results, with issues in following precise requests.

Fact Checking

  • All but Perplexity accurately denied false claims about Switch 2 sales.
  • All correctly debunked a fake news article about a Tesla edition Samsung phone.

Integrations and Memory

  • Gemini offers superior integration with Google Workspace, live maps, YouTube, and smart devices.
  • ChatGPT has notable integrations (Dropbox, GitHub, plugins) and custom GPTs.
  • Grok accesses live X (Twitter) content.
  • Memory is generally limited and none maintained strong context for extended conversations.

User Experience and Miscellaneous

  • Perplexity consistently cites sources; others rarely do.
  • Grok is the fastest responder, followed by ChatGPT, Perplexity, and Gemini (slowest).
  • ChatGPT and Gemini provide the most natural voice responses.
  • All have strengths and weaknesses in user interface quality.

Scoring Summary & Pricing

  • ChatGPT: 29 points; most well-rounded and consistent performance.
  • Grok: second place; notably fast and decent overall.
  • Gemini: third place; strong in integration, slower responses.
  • Perplexity: last place; inconsistent despite some impressive features.
  • Pricing: All are ~$20/month except Grok ($30), favoring ChatGPT as best value.

Decisions

  • ChatGPT is the best overall AI chatbot for most consumers.