Grok-4
Grok-4 by xAI is a frontier model featuring a 2M token context window, real-time X platform integration, and world-record reasoning capabilities.
xaiGrokJuly 9, 2025Try Grok-4 Free
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About Grok-4
Learn about Grok-4's capabilities, features, and how it can help you achieve better results.
Overview
Grok-4 is the latest frontier AI model from xAI, designed to be a truth-seeking assistant with real-time access to the X platform. Built on the Colossus supercomputer cluster with over 200,000 GPUs, it represents a massive leap in reasoning, mathematical problem-solving, and coding capabilities. It features a unified dual-mode architecture, allowing users to switch between a deep-thinking reasoning mode for complex puzzles and a high-velocity mode for immediate responses.
Technical Innovations
This generational jump in compute has enabled PhD-level performance across all academic disciplines simultaneously. The model is uniquely characterized by its anti-woke alignment strategy, prioritizing objective information over standard safety guardrails. Its massive 2-million-token context window and integration into the Musk ecosystem, including X and Tesla vehicles, provide a distinct competitive moat. While it excels in STEM and technical reasoning, it remains highly efficient for everyday creative tasks and real-time news analysis.
Performance Philosophy
Grok-4 prioritizes first-principles thinking and objective data synthesis. By utilizing the Quasarflux reasoning engine, it can navigate multi-step logical chains that typically derail traditional LLMs. This makes it an essential tool for developers and researchers who require high-fidelity outputs in high-stakes environments where factual accuracy is non-negotiable.
Use Cases for Grok-4
Discover the different ways you can use Grok-4 to achieve great results.
Graduate-Level STEM Research
Utilizing the Thinking mode to solve PhD-level physics problems and verify complex mathematical proofs.
Massive Repository Debugging
Leveraging the 2M context window to ingest entire codebases and identify subtle race conditions.
Real-Time Financial Intelligence
Monitoring the X Firehose to analyze market sentiment and breaking news for trading insights.
Autonomous Agent Workflows
Powering complex agentic tasks through robust function calling for logistics and automation.
Multi-Modal Legal Analysis
Reviewing thousands of pages of discovery documents while analyzing scanned evidentiary photos.
Advanced Academic Tutoring
Providing personalized, first-principles-based tutoring in STEM subjects adapted to student progress.
Strengths
Limitations
API Quick Start
xai/grok-4
import { xAI } from '@xai/sdk';
const client = new xAI({
apiKey: process.env.XAI_API_KEY,
});
async function main() {
const response = await client.chat.completions.create({
model: 'grok-4',
messages: [{ role: 'user', content: 'Analyze the latest news about xAI from the Firehose.' }],
stream: true,
});
for await (const chunk of response) {
process.stdout.write(chunk.choices[0]?.delta?.content || '');
}
}
main();Install the SDK and start making API calls in minutes.
What People Are Saying About Grok-4
See what the community thinks about Grok-4
"Grok 4 is officially schooling the competition... proving xAI has built a model that thinks like a predator."
"Grok 4 is a benchmark-slaying, PhD-level genius that occasionally can't count. The duality is wild."
"The jump to 2 million tokens isn't just a gimmick; it fundamentally changes repository debugging."
"Grok 4 is clearly the best model in terms of general comprehension, far ahead of GPT-5."
"Usage will spike with Grok 4.20. It's coming out in 3 or 4 weeks."
"The real-time X integration is the only thing keeping my research relevant in this news cycle."
Videos About Grok-4
Watch tutorials, reviews, and discussions about Grok-4
“The number of words in this response is exactly 43... Super impressive.”
“Not only was it able to solve the Tower of Hanoi in its chain of thought, but it actually proved it and visualized it with code.”
“I love this answer. To the point, direct. No sugar coating at all.”
“The reasoning capabilities here are clearly a step above what we saw in the previous generation.”
“It's finally a model that doesn't feel like it's holding back on the truth to be polite.”
“The experimental thinking toggle for Grok was recently removed... leading to characterization as potentially antiquated.”
“Grok OS was the least impressive, featuring a basic white background and broken icons.”
“In terms of raw knowledge retrieval, Grok-4 is consistently hitting the mark where GPT-5 misses.”
“The latency in the reasoning mode is higher, but the quality of the output justifies the wait.”
“If you are in the Musk ecosystem, the integration here is a massive productivity multiplier.”
“Nobody wants a super fast model if it can't solve the logic. I can tell you that for free, boys.”
“I would give this a minus one out of 10... Complete trash. Can't even build a simple Next.js website.”
“The speed is there, but if the logic is broken, what is the point of the tokens per second?”
“It feels like they rushed the coder variant just to hit the release cycle.”
“Stick to the standard reasoning model if you actually want something that works.”
Supercharge your workflow with AI Automation
Automatio combines the power of AI agents, web automation, and smart integrations to help you accomplish more in less time.
Pro Tips
Expert tips to help you get the most out of this model and achieve better results.
Mode Toggling
Use Quasarflux mode for complex logic and Tensor mode for speed to optimize cost and performance.
Real-Time Queries
Explicitly prompt for trending topics on X to leverage the live data pipeline and bypass training cutoffs.
STEM Focus
Prioritize Grok for graduate-level math where it significantly outperforms competitors on zero-shot tasks.
Verify Basic Logic
Double-check simple counting or list ordering as the model can be inconsistent on trivial tasks.
Testimonials
What Our Users Say
Join thousands of satisfied users who have transformed their workflow
Jonathan Kogan
Co-Founder/CEO, rpatools.io
Automatio is one of the most used for RPA Tools both internally and externally. It saves us countless hours of work and we realized this could do the same for other startups and so we choose Automatio for most of our automation needs.
Mohammed Ibrahim
CEO, qannas.pro
I have used many tools over the past 5 years, Automatio is the Jack of All trades.. !! it could be your scraping bot in the morning and then it becomes your VA by the noon and in the evening it does your automations.. its amazing!
Ben Bressington
CTO, AiChatSolutions
Automatio is fantastic and simple to use to extract data from any website. This allowed me to replace a developer and do tasks myself as they only take a few minutes to setup and forget about it. Automatio is a game changer!
Sarah Chen
Head of Growth, ScaleUp Labs
We've tried dozens of automation tools, but Automatio stands out for its flexibility and ease of use. Our team productivity increased by 40% within the first month of adoption.
David Park
Founder, DataDriven.io
The AI-powered features in Automatio are incredible. It understands context and adapts to changes in websites automatically. No more broken scrapers!
Emily Rodriguez
Marketing Director, GrowthMetrics
Automatio transformed our lead generation process. What used to take our team days now happens automatically in minutes. The ROI is incredible.
Jonathan Kogan
Co-Founder/CEO, rpatools.io
Automatio is one of the most used for RPA Tools both internally and externally. It saves us countless hours of work and we realized this could do the same for other startups and so we choose Automatio for most of our automation needs.
Mohammed Ibrahim
CEO, qannas.pro
I have used many tools over the past 5 years, Automatio is the Jack of All trades.. !! it could be your scraping bot in the morning and then it becomes your VA by the noon and in the evening it does your automations.. its amazing!
Ben Bressington
CTO, AiChatSolutions
Automatio is fantastic and simple to use to extract data from any website. This allowed me to replace a developer and do tasks myself as they only take a few minutes to setup and forget about it. Automatio is a game changer!
Sarah Chen
Head of Growth, ScaleUp Labs
We've tried dozens of automation tools, but Automatio stands out for its flexibility and ease of use. Our team productivity increased by 40% within the first month of adoption.
David Park
Founder, DataDriven.io
The AI-powered features in Automatio are incredible. It understands context and adapts to changes in websites automatically. No more broken scrapers!
Emily Rodriguez
Marketing Director, GrowthMetrics
Automatio transformed our lead generation process. What used to take our team days now happens automatically in minutes. The ROI is incredible.
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Frequently Asked Questions
Find answers to common questions about this model