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    Grok 3 vs ChatGPT: Which One Should You Pick & Why?

    AdarshBy No Comments4 Mins Read

    We pit Elon Musk’s recently launched Grok 3 against Sam Altman’s ChatGPT to see who emerges as the winner…

    Earlier this year, Elon Musk announced the launch of Grok 3, the latest version of his artificial intelligence model, that has been billed as ‘scary smart’. He said it is a serious challenger OpenAI’s ChatGPT (GPT-4o).

    We compared the two to decide which one is the winner…

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    Origins & Infrastructure

    Grok 3 is the third of its kind, following Grok-1 and Grok-2. This iteration made its debut on February 17th, 2025 and has been trained on xAI’s Colossus supercluster. This clearly is an edge as Colossus has 200,000 Nvidia H100 GPUs which is double the scale of its predecessor.

    Musk has repeatedly claimed that Grok 3 is trained with “10× more compute than Grok-2.” He says this is because it has incorporated techniques like reinforcement learning and thoughtful curation for top performance in “Think” and “Big Brain” modes.

    Core Features & Capabilities

    Here are some of the main features that Grok-3 can boast of:

    1. Real-Time Data & Web Activation: Grok-3 can perform DeepSearch by integrating live internet search and tweets. It can deliver up to date info, something which GPT depends on external plugins to deliver.
    2. Advanced Reasoning: Grok-3 has reasoning specific modes like Think Mode, Big Brain, and Mini Reasoning. These are designed to break complex problems into smaller steps and then tackle them.
      According to xAI, Grok-3’s modes easily surpass OpenAI’s o3‑mini‑high on benchmarks like AIME for Math and GPQA for Advanced Science.
    3. Multimodality & Personality: Grok-3 supports text and image inputs and has a quirky tone that has been optimised specially for X users. GPT-4o also has multimodal personalities that offer a polished, formal conversational style.
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    Benchmarks & Performance

    xAI has released further details about how Grok-3 outpaced ChatGPT and Claude in internal ELO scores, clocking at around 1400. Independent coverage has also shown that Grok outdoes GPT-4o on AIME math, GPQA science as well as LiveCodeBench coding tests.

    But these tests are based on xAI’s own datasets and may be biased.

    Pricing & Availability

    Grok-3 is currently available as part of X’s Premium+ and xAI’s SuperGrok subscription at around US$40/month. It is accessible via X as well as a standalone app.

    In comparison, ChatGPT has a free tier as well as paid options. ChatGPT Plus is available for $20/month (GPT‑4o access, image features) and Pro (~$200/month) for enterprise-level use.

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    User Experience & Ecosystem

    Its tone is humorous and the fact that it can provide real time data gives it an edge and is appealing to researchers and content creators. But the interface quirks also pose certain limitations.

    ChatGPT has an intuitive interface and integrates seamlessly with other software like API, Teams and Bing. This makes it very useful when it comes to writing, tutoring and coding.

    Controversies & Risks

    Despite the fact that it can provide real time data, Grok 3 has faced flak for occasional misinformation. This includes examples of conspiracy framing during its beta phase. Critics have also claimed that Grok-3 is vulnerable to unverified claims but xAI has addressed this by publishing system prompts and improving the moderation.

    Which One Should You Pick

    Use CasePreference Why
    Real-time research, newsGrok 3Live web, tweets, quick reasoning
    Creative writing, tutoring, versatilityChatGPTMature model, polished UI, integrations
    Technical/mathematical tasksGrok 3Strong benchmark performance
    Broad access, cost-sensitive useChatGPTFree tier, lower entry cost

    The Last Word

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    All in all, Grok 3 is comparatively powerful and also has cutting edge reasoning as well as access to live data. This makes it a winner when it comes to technical or time sensitive situations.

    But ChatGPT is well rounded and user friendly and better suited for general use, creative tasks and enterprise adoption.

    The AI race is heating up. With newer versions, one-upping each other, it remains to be seen who takes the lead next.

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    Adarsh hates personal bios, Chelsea football club and Oxford commas. When he's not writing, he's busy playing FIFA on his PlayStation.

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