ChatGPT vs Grok 3: Which AI Model Outperforms the Other? Key Differences Explained

ChatGPT and Grok AI are two advanced AI chat models with unique strengths. ChatGPT, developed by OpenAI, offers powerful text and code generation, while Grok AI, from xAI, provides real-time data insights. This comparison explores their features, pricing, and capabilities to help users choose the best AI assistant.

Feb 17, 2025, 18:51 IST
ChatGPT or Grok 3? A Comparison of Performance, Features, and Usability
ChatGPT or Grok 3? A Comparison of Performance, Features, and Usability

ChatGPT and Grok 3 are two leading AI language models, each with unique features. ChatGPT, developed by OpenAI, is known for its extensive training on diverse internet data, enabling it to generate creative text and handle a wide range of topics.

In contrast, Grok 3, created by Elon Musk's xAI, offers real-time data access through the X platform, allowing it to provide up-to-date information. It also features a witty and engaging communication style, making interactions more dynamic.

Want to learn about them in more depth? In this article, we'll explore the key differences between ChatGPT and Grok 3, examining their data sources, availability, strengths, and weaknesses to determine which AI model outperforms the other.

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Overview of ChatGPT: Features and Capabilities

Source: Vecteezy

ChatGPT is a powerful generative AI model that interacts with users using natural language, allowing them to ask questions and provide tasks. 

It is trained on a massive dataset of human-generated text and can generate human-like text in response to a wide variety of prompts.

Key Features and Capabilities:

  • Natural Language Understanding: ChatGPT can understand complex sentence structures and infer context to provide meaningful responses aligned with user queries.
  • Vast Knowledge Domain: Trained on an extensive corpus of data, ChatGPT offers pertinent information and insights across a wide range of themes.
  • Text Generation: It can generate new text based on a prompt for creative writing, content generation, and language translation.
  • Text Completion: ChatGPT can complete a given text or sentence based on the context provided.
  • Summarisation: It can summarise a given text.
  • Question Answering: The tool can answer questions based on a given context or text passage.
  • Chatbot Responses: It generates responses in a human-like way for chatbot or virtual assistant applications.
  • Image Analysis: The GPT-4 version can interpret complex graphical inputs such as charts and analyze images.
  • Web Browsing: ChatGPT can search the internet for additional information it needs to answer questions and complete tasks.
  • Image generation: When you request an image from ChatGPT, it uses a tool called DALL-E to create it.
  • File Uploads: When you upload text documents (Word, PowerPoint, PDF, TXT, etc.), ChatGPT uses tools to extract text and find relevant information.
  • Data Analysis: Customers on a paid plan can use Advanced Data Analysis (ADA) to interact with data documents (Excel, CSV, JSON). Using ADA, ChatGPT can answer quantitative questions about your data, fix common data errors, and produce data visualisations.
  • Voice Interaction: Users can speak to ChatGPT using the mobile app, and the web version can read answers aloud.
  • Remembers earlier conversation: ChatGPT can remember and reference what was said earlier in a chat session.
  • Follow-up prompts: It allows the use of follow-up prompts to further define responses.

Exploring Grok 3: Key Highlights and Functionality

Source: ABP Live

Grok is a generative AI model from xAI with access to real-time data from X, formerly Twitter. It is known for its multimodal capabilities, processing both text and visual data. Released in November 2023, Grok has been available in Grok 1, Grok 2 and currently Grok 3 version.

Elon Musk has described Grok as having "a bit of wit" and a "rebellious streak," allowing it to engage in conversations that other chatbots may avoid.

Key Features and Capabilities:

  • Real-time Information: Grok can access real-time information, particularly from public posts on X, providing up-to-date responses based on current events and trends.
  • Multimodal Capabilities: Grok-1.5V can process text and visual information such as documents, diagrams, and photographs. It excels in real-world spatial understanding.
  • Code Generation: Grok can translate visual diagrams into functional code.
  • Two Modes: Grok offers two interaction styles: "Fun Mode" and "Regular Mode." Fun Mode adds humour and personality to the AI chatbot’s answers, while Regular Mode typically delivers more accurate answers.
  • Email and Code Generation: Grok can draft emails, debug code, and generate ideas in fluent, human-like language.

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Key Differences Between ChatGPT and Grok

ChatGPT and Grok are both advanced AI chatbots with unique features. Here's a comparison:

Feature

ChatGPT

Grok AI

Free Tier

Yes

Yes (Limited to 10 messages every 2 hours)

Free Tier Capabilities

Basic text generation, creative writing, and Q&A with GPT-3.5

Limited conversational support, tied to X platform live data

Paid Tier Availability

Yes (Plus, Pro, Team, and Enterprise plans)

Yes (Tied to X Premium and Premium+ subscriptions)

Paid Tier Name

ChatGPT Plus, Pro, Team, Enterprise

X Premium+

Paid Tier Price (Monthly)

- ChatGPT Plus: $20/month - Pro: $200/month - Team: $30/user

- X Premium+: ~ $16/month (converted from INR)

Models Available

GPT-3.5 (Free), GPT-4 (Plus and higher tiers)

Grok 1, Grok 2 with enhanced features (image generation, etc.)

Capabilities

Text, image, and voice inputs; code generation; advanced reasoning

Text-based responses, real-time updates, and image generation

Platform Dependency

Web, iOS, Android apps, and API integration

Integrated within X (formerly Twitter) platform

LLM Model

Grok-1 (developed by xAI)

GPT-3.5 or GPT-4.0 (developed by OpenAI)

Data Sources

Real-time data from the X platform (formerly Twitter) and web-scraped data

Publicly available internet data, including books, articles, and webpages

Training

Custom training and inference stack based on Kubernetes, Rust, and JAX

Trained on publicly available data

Strengths

Context-aware interactions, real-time data access, humorous and intuitive responses, excels at understanding complex topics and handling long-form content, good for dynamic settings

Generates coherent and flexible text, creates unique text formats, larger dataset, broader range of queries, creative content generation

Weaknesses

Limited accessibility (X Premium+ subscribers), potential social media bias

Information available up to April 2024, responses may be inaccurate and need checking

Benchmark Performance

On GSM8k, achieved 62.9%, surpassing GPT-3.5 and LLaMa 2. HumanEval coding task: 63.2%, MMLU: 73%

GPT-3.5 is surpassed by Grok-1 in some benchmarks. GPT-4 performs better than Grok in GSM8k, MMLU, HumanEval, and MATH benchmarks

Accessibility

Available to X Premium+ subscribers ($16/month)

Free version available. Paid subscriptions (ChatGPT Plus, Teams, Enterprise) offer access to GPT-4 and advanced features

Unique Features

Integration with the X platform for real-time updates, "spicy" tone and lack of filter, modeled after Hitchhiker’s Guide to the Galaxy

GPT-4V (computer vision), Browse with Bing (internet access), Image generation (DALL·E 3), Plugins, Advanced Data Analysis

Use Cases

In-depth conversations, up-to-date information, research, coding

Creative content, conversation-based applications, image generation

Pricing

Requires X Premium+ subscription, starting at $16 per month

Free version available; premium versions (ChatGPT Plus, Teams, Enterprise) offer additional features

Data Currency

Real-time, leveraging the X platform for current information

Trained on data up to September 2022 (GPT-3.5); better at learning and responding to current information with prompts (GPT-4)

Humor and Wit

Injects some personality into conversations responsibly, humorous tone

Grok injects some personality into conversations with a humorous tone. 

It is modeled after the Hitchhiker’s Guide to the Galaxy and is trained to tackle even the most vulgar of questions without any avoidant non-answers.

Open Source

Codebase allows developers to explore its inner working

Grok's codebase allows developers to delve into its inner workings

Which AI Model is Better for Your Needs?

When deciding between Grok and ChatGPT, it's essential to consider their unique features, strengths, and weaknesses to determine which AI model best suits your needs.

Overview of Grok and ChatGPT

Grok is an AI chatbot developed by xAI, founded by Elon Musk. It utilises a custom large language model (LLM) called Grok-1, which is trained on real-time data from the X platform (formerly Twitter) and web-scraped information. This integration allows Grok to provide up-to-date responses and engage in in-depth conversations.

ChatGPT, developed by OpenAI, is based on the GPT-3.5 and GPT-4 architectures. It has been trained on a vast dataset from various sources, including books and articles, but its knowledge is limited to information available until September 2022 for GPT-3.5 and up to 2023 for GPT-4.

Key Comparisons

Feature

Grok

ChatGPT

Data Sources

Real-time data from X platform

Static data from diverse internet sources

Model Architecture

Grok-1 (33B parameters)

GPT-3.5 or GPT-4

Accessibility

Limited beta; requires X Premium+

Widely accessible; free and paid tiers

Strengths

Up-to-date info, humorous tone

Versatile responses, image generation

Weaknesses

Limited to X users, lacks image generation

Information may be outdated

Strengths of Each Model

Grok

  • Real-time Updates: Grok excels at providing current information due to its integration with the X platform.
  • Humor and Personality: It is designed to inject humor into conversations, making interactions more engaging.
  • In-depth Understanding: Grok performs well in complex discussions and long-form content.

ChatGPT

  • Versatility: ChatGPT can handle a broader range of queries effectively and offers advanced features like image generation through DALL·E 3.
  • Multiple Tiers: It provides various subscription options, allowing users to choose based on their needs.
  • Robust Dataset: Trained on a larger dataset, it can generate creative content across many topics.

Weaknesses of Each Model

Grok

  • Limited Availability: Currently only accessible to X Premium+ subscribers, which may restrict its user base.
  • No Image Generation: Unlike ChatGPT, Grok cannot create images or utilize plugins for extended functionalities.

ChatGPT

  • Outdated Information: The knowledge cutoff for its free version is September 2022, which may limit its usefulness for current events.
  • Less Focused Humor: While capable of engaging conversations, it does not emphasise humour in the same way as Grok.

Conclusion

Choosing between Grok and ChatGPT largely depends on your specific requirements:

Opt for Grok if you need real-time information, enjoy a humorous conversational style, and are focused on engaging deeply with current topics.

Choose ChatGPT if you require a versatile tool capable of handling a wide array of queries and generating images, or if you prefer a more established platform with broader accessibility.

Ultimately, both models have their own unique advantages that cater to different user needs.

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Kriti Barua
Kriti Barua

Executive Content Writer

Kriti Barua is a professional content writer who has four years of experience in creating engaging and informative articles for various industries. She started her career as a creative writer intern at Wordloom Ventures and quickly developed a passion for crafting compelling narratives that resonate with readers.

Currently working as a content writer for the GK section of Jagran New Media, she continues to hone her skills in writing and strives to deliver high-quality content that educates and entertains readers.
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