Grok vs ChatGPT: which AI assistant should you use?

Short answer: pick Grok if you want answers built on what is happening right now, with live search across the web and X, and image and video generation in the same thread. Pick ChatGPT if you want the assistant most teams already use, with a Work mode that turns your files and apps into finished docs, decks and spreadsheets, plus Codex for coding. Both are free to start, both run on web, iOS and Android, and both offer team plans. The difference is where each one is strongest.

Both are listed on Unloc. Unloc cards: Grok and ChatGPT.

Quick verdict

Plans, limits and model names change often, so check both live pricing pages before you decide. Everything below comes from each product's own site.

What Grok does

Grok describes itself as an assistant for chat, search, reasoning and creating, all in one place. You can use it at grok.com, in the iOS and Android apps, and inside X, and you can sign in with an X or email account.

Its clearest strength is live information. Grok searches the web and X in real time and shows citations, so it's built for questions about breaking news, trends and what people are posting right now. Follow-up questions let you drill into a topic without starting over.

Grok also has a multi-agent mode, where several agents work on parts of a hard question in parallel and then merge their work into one cited answer. Each agent's reasoning is shown so you can check it. Grok's site positions multi-agent reasoning and higher limits as reasons to upgrade.

For creative work, Grok Imagine generates images and short videos from text prompts or reference photos, and you can restyle and edit the results with follow-up prompts in the same conversation. Grok also offers natural voice conversations, file and PDF analysis, image understanding, a canvas for long-form writing, custom instructions, memory across chats and shareable threads. Its maker also publishes add-ins for Excel, Outlook and Google Workspace, and an API with the same models for developers.

One detail is unusual. Grok's paid tiers are sold as one subscription that also covers X features, such as the Premium checkmark, and includes usage in Cursor, the coding tool. If you already pay for X, it's worth checking what your plan includes before you buy anything else.

What ChatGPT does

ChatGPT now splits into three modes. Chat is for everyday questions, explanations, drafting, web search, images and decisions. Work is for completing tasks from start to finish: it can create and edit docs, slide decks, spreadsheets, charts, PDFs and images using the apps you connect, such as Gmail and Slack. Codex is OpenAI's coding agent, for planning, writing, testing, reviewing and shipping code.

The feature list around those modes is long. ChatGPT has deep research, voice chats (with video on paid plans), memory that can draw on past chats, projects, scheduled tasks, custom GPTs, plugins, data analysis, study mode, and extensions for Excel, Word, PowerPoint and Google Sheets. It also has a built-in browser on every plan.

The plan ladder runs Free, Go, Plus and Pro for individuals, then Business and Enterprise for companies. Each step up gives more messages, uploads, memory and access to more advanced reasoning models. OpenAI notes that the Go plan may include ads. Business plans start at two users and add the admin and security layer: SAML SSO, an admin console, role-based access and compliance certifications.

Free plans compared

Both are free to start, and both put real limits on the heavy features. ChatGPT's free plan offers unlimited everyday text chats, with limits on uploads, image creation, voice, deep research and memory. Grok's free tier offers limited chat and agent requests, and its pricing page points new AI users to a paid tier for more usage.

If you only need a quick answer or a first draft now and then, either free plan will do. If you rely on images, research or long files every day, expect to pay for whichever one you choose.

Live news and search

This is Grok's home ground. Its search runs across the web and X live, with citations, and its site stresses that answers reflect what's happening now rather than old training data. For tracking a story, a product launch or the mood on X, Grok is the more natural pick.

ChatGPT can search the web too and has a built-in browser, so it handles current questions well. It doesn't have Grok's direct line into X posts and trends.

Work, documents and coding

ChatGPT has the deeper workplace story. Work mode produces finished files rather than just chat replies, the Office and Google Sheets extensions bring it into documents you already use, and custom GPTs and scheduled tasks let you set up repeat jobs. Codex sits alongside it for software work.

Grok covers a lot of the same ground in a different shape: a canvas for writing, file and PDF analysis, code generation in chat, add-ins for Excel, Outlook and Google Workspace, and Grok Build for creating websites and apps. If your team lives in Microsoft Office or wants admin controls and compliance paperwork, compare the Business and Enterprise tables on both sites against your own requirements.

Who should pick which

• Pick Grok if your questions are about news, trends or what's being said on X right now, and you want live citations.
• Pick Grok if you want images and short videos made and edited in the same chat, or you already pay for X and want to use what your plan includes.
• Pick ChatGPT if you want finished docs, decks and spreadsheets from your own files and apps, or custom GPTs and scheduled tasks.
• Pick ChatGPT if your team already has ChatGPT logins and you need a Business plan with SSO and admin controls.

Also weighing other assistants? See Claude vs ChatGPT and ChatGPT vs Gemini.

FAQ

Is Grok free?

Yes, Grok is free to try on the web and in the apps, with limited usage. Paid tiers add more usage and features like multi-agent reasoning. Check the live Grok pricing page for current plans.

Is ChatGPT free?

Yes. OpenAI says the free version is available to everyone, with unlimited everyday text chats and limited access to tools like image creation, voice and deep research.

Which one is better for current events?

Grok, for most people. It searches the web and X live and cites its sources, which makes it strong for breaking news and trends. ChatGPT can search the web too, but it doesn't draw on X directly.

Can both make images?

Yes. ChatGPT includes image creation on every plan, with more on paid tiers. Grok Imagine creates images and short videos and lets you edit them with follow-up prompts.

How much do they cost?

Both have free plans and several paid tiers, and both change their pricing often. Check the live Grok pricing page and ChatGPT pricing page for current numbers.