OpenAI vs Grok 3: Which is Better for Deep Research?

OpenAI's Deep Research vs. Grok 3's DeepSearch: A Head-to-Head Comparison

OpenAI recently made its Deep Research feature available to all ChatGPT Plus subscribers, previously a perk only for $200 Pro users. Simultaneously, Elon Musk offered Grok 3, including its DeepSearch function, free to all X users. This begs the question: is the $20 ChatGPT Plus subscription worthwhile, or does Grok 3 offer comparable capabilities for free? Let's compare both tools to find out!

Table of Contents

• Accessing Deep Research (OpenAI & Grok 3)
• Task 1: SEO Analysis
• Task 2: Generative AI Salary Report
• Conclusion

Accessing Deep Research

OpenAI:

1. Visit the ChatGPT website.
2. Ensure you have an active $20 Plus subscription.
3. Locate the Deep Research option within the new chat window.

Grok 3:

1. Log in to your X account.
2. Navigate to the Grok tab on the left sidebar.
3. Click the DeepSearch button and begin your query.

Comparative Analysis

Task 1: SEO Analysis

Prompt: "Develop strategies to boost organic traffic to the Analytics Vidhya Blog (www.analyticsvidhya.com/blog/)."

OpenAI Deep Research:

Before commencing analysis, ChatGPT inquired about my preferences to refine the results.

My Response: "I'm focused on organic growth via SEO and content creation. My target audience includes GenAI and Data Science professionals and enthusiasts. Key challenges include providing comprehensive AI overviews, over-reliance on Google traffic, and potential ranking drops on Google."

Grok 3 DeepSearch:

Observations:

Grok 3's response (47 seconds) seemed unusually fast for in-depth research. The analysis was generic and lacked actionable insights. OpenAI's Deep Research (~10 minutes) delivered a detailed report with graphs, citations, and practical recommendations.

Verdict: Grok 3 ❌ OpenAI ✅

Task 2: Generative AI Salary Report

Prompt: "Generate a report on Generative AI salaries, broken down by country, experience, skills, and industry."

OpenAI Deep Research:

Again, ChatGPT requested clarification on my preferences.

My Response: "Global scope; all experience levels; all skills; all industries; all available sources. Include graphs where applicable."

Grok 3 DeepSearch:

Observations:

OpenAI provided a far more comprehensive report, including detailed regional salary comparisons, cost-of-living adjustments, experience-based breakdowns, skill-specific insights, industry trends, numerous citations, and visualization suggestions. Grok 3's analysis was more concise but lacked depth and detail.

Verdict: Grok 3 ❌ OpenAI ✅

Conclusion

OpenAI's Deep Research offers superior depth and precision compared to Grok 3's DeepSearch. While Grok 3's free access is attractive, for serious research, the investment in OpenAI's premium service may be justified. The difference in performance highlights the value of a dedicated, high-quality research tool.

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