The AI race just got hotter.
On July 9, 2025, xAI dropped Grok 4 — its most powerful model yet.
Touted as a rival to GPT-4o and Gemini 2.5, Grok 4 promises sharper reasoning, a bigger context window, and multi-agent capabilities that rethink how we interact with AI.
Whether you’re a developer, content creator, or just curious about the future of AI, this update isn’t just another version bump.
It’s a complete upgrade built for speed, logic, and smarter conversations.
In this guide, you’ll learn what’s new in Grok 4, how it compares to the competition, and how to get access today.
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Grok 4 isn’t just an upgrade — it’s a leap. Released on July 9, 2025, it comes in two flavors:
• Grok 4 (generalist): A well-rounded model focused on text, reasoning, and creativity.
• Grok 4 Heavy (multi-agent): A high-performance version that runs multiple agents in parallel to boost accuracy and reduce hallucination.
Both are designed to compete directly with OpenAI’s GPT-4o, Google’s Gemini 2.5, and Anthropic’s Claude 3.5.
Grok 4 runs on xAI’s Colossus supercomputer, powered by over 200,000 Nvidia GPUs — making it one of the most compute-heavy AI deployments on the planet.
You’ve got multiple access points, depending on your use case:
• X Premium+ Subscribers
Access Grok 4 through the X app or web platform with a $40/month or $420/year plan. Just tap the Grok icon in the sidebar.
• Grok Mobile App
Download the standalone Grok app (iOS/Android). Log in using your X credentials if you’re a Premium+ user.
• SuperGrok Plans
Head to grok.com to subscribe.
• $30/month for standard Grok 4
• $300/month for Grok 4 Heavy with multi-agent support
• API Access
For devs, Grok 4 is available via xAI’s API starting at $300/year.
Heavy-tier plans include advanced features like low-latency compute and deep coding support.
Note: Grok access may be restricted in some regions (like the EU).
It’s available in the UK and globally through grok.com.
One of Grok 4’s standout features is its first-principles reasoning — breaking problems down like a physicist solving a puzzle.
Key highlights:
• Academic-level performance across math, science, and humanities
• Think Mode: A new toggle that gives the model more time to deliberate, revise, and refine its answers in real time
It doesn’t just give quick answers — it reasons through them.
In benchmarks like HLE and AIME, Grok 4 edges past even GPT-4o and Claude Opus.
And if you’re using Grok 4 Heavy, you’re tapping into multi-agent orchestration: up to 32 parallel models working together to debate and refine the best possible answer.
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Right now, Grok 4 is primarily text-focused — but big upgrades are on the roadmap:
• Image Generation & Editing
Expected to launch by August, this lets you generate visuals, memes, or edit photos directly from prompts
• Video Processing & Generation
Slated for September–October, Grok will begin processing video input and eventually generate videos — a direct response to OpenAI’s Sora and Gemini Video.
• Vision in Voice Mode
A future update will allow Grok to analyze your surroundings via camera input, similar to Gemini Live.
These updates are a signal that Grok is going full multimodal — and fast.
What makes Grok 4 more than a chatbot? Live web access via DeepSearch.
• Pulls current data from X and the broader web
• No need for a separate browser
• Great for breaking news, live stats, or technical documentation
March 2025 also brought DeeperSearch — a beefed-up version that enhances research depth, accuracy, and citation.
If you’ve ever wanted ChatGPT to check the web while responding? Grok 4’s already there.
Developers get serious upgrades with the Grok 4 Code variant — a specialized model built for coding-heavy workflows.
What it supports:
• 20+ programming languages including Python, JavaScript, C++, Java, and Go
• Autocompletion, refactoring, and debugging directly in the chat
• Seamless integration with VS Code-style environments
New tools included:
• A native code editor for writing, testing, and managing code
• Command-line integration for running apps from the interface
• AI-assisted version control and test scaffolding
Early benchmarks show a 5–8% accuracy lift compared to other AI code tools — putting Grok 4 in serious competition with Cursor AI and GitHub Copilot.
Voice is getting smarter — and Grok is trying to lead the charge. Grok 4 Voice delivers:
• Low-latency audio responses (~250ms)
• Natural speech synthesis with emotional range
• Conversation memory (coming soon) so it remembers your voice sessions
A standout feature on the roadmap? Vision in Voice Mode.
You’ll soon be able to point your phone at something and have Grok explain it — like “AI meets Shazam meets Google Lens.”
This makes Grok 4 Voice a real contender in the mobile AI space, especially for on-the-go research, support, or learning.
Here’s a power feature for researchers, analysts, and lawyers: a 1 million token context window.
To put that in perspective:
• That’s 6–8x larger than most LLMs today
• It can process entire legal contracts, codebases, or academic papers without truncating
In long-context benchmarks like LOFT (128K), Grok 4 leads the field — meaning it retains and reasons over massive documents with fewer errors.
This isn’t just more memory — it’s smarter memory.
Grok 4 is more than an assistant — it’s a creative studio. Users can now generate:
• Web pages
• Visual designs (e.g. posters, memes, infographics)
• Games and simple apps
• Long-form documents and presentations
Key tools supporting this:
• Aurora Image Generator: Text-to-image creation engine
• Built-in formatting controls: Customize tone, structure, and style
• Template memory (coming soon): Train it on your brand docs or writing style
Want an origami-style Cybertruck visualized as a Van Gogh painting? Grok 4 can do that.
Beyond standard web search, Grok 4 can tap into real-world data and trending insights:
• Summarize SEC filings, court documents, or financial reports
• Pull recent events from news outlets and user posts on X
• Compare technical specs, legal rulings, or scientific papers in real time
This turns Grok 4 into a data-aware agent, not just a conversational model — and makes it ideal for financial analysts, legal researchers, or investigative journalists.
Grok 4 isn’t done evolving. According to xAI’s roadmap, here’s what’s rolling out soon:
• August 2025: A low-latency coding model optimized for live development
• September 2025: Full multimodal agent that combines text, image, and audio reasoning
• October 2025: Native video generation capabilities (competing with Sora and Gemini)
• Memory Reference: Persistent memory so Grok remembers past interactions
• Google Drive Integration: Easily pull from your cloud documents for research or summaries
These updates aim to make Grok 4 more personalized, persistent, and versatile across devices.
From casual users to enterprises, Grok 4 is built to serve different needs:
• Writers & Creatives: Storyboarding, meme creation, image generation
• Researchers & Students: Summarizing studies, solving complex math, fact verification
• Developers: Writing, debugging, and refactoring code with contextual awareness
• Businesses: Automating reports, summarizing trends, building internal tools
• Marketers: Generating copy, ad visuals, and social media content
Whether you’re building a web app or crafting a campaign, Grok 4 covers the full content lifecycle.
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Want to try it out?
Here’s how to get Grok 4:
• X Premium+: $40/mo or $420/yr (U.S.). Access via the Grok icon on X.com or the mobile app.
• SuperGrok Plans:
• $30/mo (Grok 4 access)
• $300/mo (Grok 4 Heavy with multi-agent power)
• Grok Mobile App: Available on iOS & Android globally since Jan 2025
• API Access: Developers can subscribe annually ($300–$3,000) via docs.x.ai
• Important: Some regions (e.g. EU) have restricted access due to regulations.
Grok is also available through grok.com and the Grok tab on the X platform.
Despite its strengths, Grok 4 isn’t perfect:
• Content Moderation Issues: Recent incidents with antisemitic posts led to public backlash
• Voice Mode Bugs: Users report lag and occasional crash loops in mobile voice mode
• Bias & Hallucinations: Training on X data may reinforce certain opinions or errors
• Steep Pricing: The $300/month SuperGrok Heavy plan limits access for many users
• Environmental Concerns: xAI’s compute facility runs on gas turbines, raising emissions flags
These issues haven’t slowed momentum yet — but they’re being closely watched.
If you’re looking for a cutting-edge model that blends deep reasoning, real-time web access, and developer-grade tools, Grok 4 is worth exploring — especially if you’re already embedded in the X ecosystem.
It’s not the most accessible model.
But for those who can justify the price, Grok 4 delivers impressive versatility across research, creative, and technical domains.
With upcoming features like multimodal agents and memory-based conversations, Grok is positioned as a long-term AI companion — not just another chatbot.
