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, 2025About Grok-4
Learn about Grok-4's capabilities, features, and how it can help you achieve better results.
Model Overview
Grok-4 is the frontier multimodal model from xAI. It is built to prioritize first-principles reasoning and real-time information retrieval. The model gains a significant competitive edge through its native integration with the X social media platform. This allows it to analyze live global conversations and news as they happen. It utilizes the Colossus supercomputer for training, resulting in high-tier performance across mathematical and technical domains.
Technical Capabilities
The architecture supports a 2-million-token context window in its reasoning variants. This capacity enables the processing of massive codebases and dense technical documentation without data loss. It features a dual-mode system where users choose between a high-velocity mode for quick interactions and a deep-thinking mode for multi-step logical tasks. The model manages a hallucination rate of roughly 4% by employing a multi-agent consensus mechanism in its Heavy configuration.
Ecosystem Integration
Beyond simple text generation, Grok-4 is designed for native tool use and complex function calling. It supports image and audio processing, making it a versatile choice for developers building multimodal applications. Its alignment strategy focuses on objective truth-seeking rather than standard industry safety guardrails. This results in fewer refusals for controversial or edgy topics compared to other frontier models.
Use Cases
Discover the different ways you can use Grok-4 to achieve great results.
Real-Time Sentiment Analysis
Analyzes live posts on X to determine public reaction to breaking news or product launches.
Large-Scale Repository Auditing
Evaluates entire software repositories using the 2M token window to find architectural flaws.
Olympiad-Level Math Solving
Provides step-by-step solutions for complex mathematical proofs and AIME-level problems.
Unfiltered Creative Content
Generates character-driven scripts and humor without the restrictive filters of other AI providers.
Scientific Research Synthesis
Summarizes multiple PhD-level academic papers simultaneously while maintaining technical accuracy.
Technical Debugging
Identifies obscure bugs in production code and suggests fixes based on current best practices.
Strengths
Limitations
API Quick Start
xai/grok-4
import OpenAI from "openai";
const grok = new OpenAI({
apiKey: process.env.XAI_API_KEY,
baseURL: "https://api.x.ai/v1",
});
async function main() {
const completion = await grok.chat.completions.create({
model: "grok-4",
messages: [{ role: "user", content: "Search X for the latest news on SpaceX." }],
stream: true,
});
for await (const chunk of completion) {
process.stdout.write(chunk.choices[0]?.delta?.content || "");
}
}
main();Install the SDK and start making API calls in minutes.
Community Feedback
See what the community thinks about Grok-4
“Grok 4 fast has a 2M token window!!! Why have we been struggling and settling with ChatGPT I really don't know anymore.”
“15.88% on the ARC-AGI v2 private subset is insane. Grok 4 is the first model to break that 10% barrier in months.”
“The multi-agent study group approach in Grok 4 Heavy is the right way to use test-time compute. It actually finds the trick to the problem.”
“Grok 4: 79 on LiveCodeBench... benchmarks don't tell you how it feels to code with a model, but this feels trustworthy.”
“The model is postgraduate like PhD level in everything. It's scarily smart and faster than any human can learn.”
“The real-time search isn't just scraping headlines; it's analyzing content across multiple sources.”
Related Videos
Watch tutorials, reviews, and discussions about Grok-4
“Grok 4 heavy is for more logic and reasoning intensive tasks, while regular Grok 4 handles others.”
“It completely accurately tracked my hand and fingers to draw on the screen.”
“Grok 4 found the password I hid deep in the context window after only 15 seconds of thinking.”
“The accuracy on the 2 million token needle in a haystack test was 100%.”
“This model is finally a real alternative for those who found Gemini's context window unreliable.”
“Grok 4 is postgraduate like PhD level in everything, better than most PhDs.”
“Grok 4 Heavy spawns multiple agents in parallel... it's like a study group.”
“It's on the API and has a 256k contact length, with plans for much more.”
“The training on the Colossus cluster has given it a reasoning capability we haven't seen.”
“It's designed to be the most truth-seeking AI that currently exists.”
“Grok 4 Heavy runs up to 32 parallel AI models on your single prompt.”
“The real-time search isn't just scraping headlines; it's analyzing content across multiple sources.”
“Think Mode spends additional computational time planning and catching potential errors before responding.”
“You can actually see the agents debating each other in the logs if you have API access.”
“The multimodal performance with audio is noticeably faster than the previous generation.”
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 Grok-4 and achieve better results.
Use Search Keywords
Include specific hashtags or accounts in your prompt to direct the model's real-time X search.
Switch to Heavy Mode
Activate Grok-4 Heavy for tasks where accuracy is more critical than response speed.
Provide Detailed Personas
Leverage the permissive safety alignment by defining specific, edgy personas for creative writing.
Analyze External Links
Paste live URLs directly into the chat for the model to retrieve and summarize fresh web content.
Testimonials
What Our Users Say
Join thousands of satisfied users who have transformed their workflow
Jonathan Kogan
Co-Founder/CEO, rpatools.io
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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
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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 Grok-4