ARTIFICIAL INTELLIGENCE BY XAI & ELON MUSK

xAI Grok: Models, Features, and Pricing

The AI built to understand the universe: trained on the Colossus supercluster, powered by real-time X data and an uncensored truth-seeking ethos

Artificial Intelligence to Understand the Universe

Founded by Elon Musk in 2023, xAI was founded with the explicit mission of creating a maximum truth-seeking AI capable of reasoning about physics, engineering, and scientific mysteries without ideological guardrails.

Its flagship assistant, Grok, pairs a rebellious wit and sharp humor with real-time access to global conversations across the X platform.

xAI’s rapid emergence was accelerated by the record-breaking construction of Colossus in Memphis, Tennessee—the world’s most powerful AI supercomputing cluster, initially powered by 100,000 liquid-cooled NVIDIA H100 GPUs and expanding to H200 and Blackwell architectures.

With the launch of Grok 3 and its frontier reasoning modes (DeepSearch and Think), xAI directly challenges OpenAI’s o-series and Anthropic’s Claude 3.7, eclipsing rival scores across competitive benchmarks like AIME and SWE-bench.

Alongside its native integration for X Premium subscribers, xAI has deployed its commercial developer API and interactive workspace Grok Studio, enabling developers to orchestrate autonomous enterprise agents with live web telemetry.

MODEL CATALOG

Grok Models and Versions

Grok 3 Flagship Frontier

Grok 3

xAI’s flagship model trained on the Colossus cluster, featuring frontier reasoning modes (DeepSearch and Think) that rival leading global models.

Grok-3 Mini Speed & Code

Grok-3 Mini

Lightweight, ultra-fast model engineered for low-latency queries, competitive coding, and mathematics with minimal token consumption.

Grok 4 Next-Gen Frontier

Grok 4

xAI’s upcoming iteration focused on autonomous physics problem-solving, advanced aerospace engineering, and embodied robotic agents.

Grok Vision Multimodal Vision

Grok Vision

End-to-end multimodal vision capable of parsing complex technical diagrams, UI screenshots, and dense documents with instant contextual understanding.

Grok Studio Agentic IDE

Grok Studio

Interactive workspace for software engineers and data analysts featuring live code execution, reactive data visualization, and rapid prototyping.

Aurora de xAI en Grok Proprietary Vision Generation

Aurora (Visual Generation)

xAI’s native photorealistic generation model embedded into Grok, delivering prompt fidelity and creative versatility without intrusive filters.

STANDOUT CAPABILITIES

What Sets Grok Apart?

⏱️

Real-Time X Platform Connectivity

Analyzes global posts, breaking trends, and live sentiment as news unfolds, without relying on static cutoff training corpora.

🧠

Reasoning Mode (Think)

Enables deliberate test-time compute to break down complex mathematical and logic problems step by step with mathematical rigor.

🔎

Next-Generation DeepSearch

Autonomously searches live web sources and X posts, fact-checking citations and synthesizing comprehensive briefs with linked references.

🎭

Fun Mode & Uncensored Tone

Toggle between formal academic reasoning and an irreverent, witty persona designed for candid, unfiltered discussions.

🔌

High-Throughput API

Drop-in compatibility with the OpenAI SDK and REST standards, allowing instant migration without refactoring existing pipelines.

🛡️

Grokipedia & Critical Synthesis

Emerging knowledge synthesis framework designed to challenge traditional online encyclopedias through multi-perspective analysis.

DEEP DIVE

The Supercomputing Infrastructure Powering Grok

Colossus Supercomputadora xAI
Supercomputing

Colossus: The World’s Largest GPU Supercluster

Constructed in just 122 days in Memphis, Colossus launched with 100,000 liquid-cooled NVIDIA H100 GPUs, dwarfing rival frontier training clusters.

This unprecedented compute density compresses training cycles from months to weeks, enabling rapid model iteration across frontier scale.

TIERS & PRICING

Subscription Plans and Developer Pricing

X Premium

$8 / 8 € / month

Access to Grok directly within the X web and mobile app.

  • Access to model Grok-3 Mini
  • Unlimited standard text conversations
  • Standard visual generation powered by Flux
  • Blue verified badge on the X platform
  • 50% fewer ads in your feed
Recommended

X Premium+

$16 / 16 € / month

Full power of Grok 3 with zero ads across feeds.

  • Complete priority access to Grok 3
  • Reasoning modes: Think (Deep Reasoning) and DeepSearch
  • Multimodal analysis with Grok Vision
  • High-resolution image generation without watermarks
  • Zero ads in “For You” and “Following” feeds
  • Early access to Grok Studio

xAI Developer API

Pay-as-you-go / tokens

Low-latency API endpoints engineered for enterprise agent workflows.

  • Grok-3 Mini: $0.20 / 1M tokens input
  • Grok 3: $2.00 / 1M tokens input
  • Function calling and structured JSON schema outputs
  • Native compatibility with the OpenAI SDK
  • Complimentary initial test credits for new developers

LEADERSHIP & TEAM

Key Figures Behind xAI

Elon Musk

Founder of xAI, Tesla & SpaceX

Visionary entrepreneur who launched xAI to counter closed AI labs; architect of the Colossus supercluster and native X ecosystem integration.

Igor Babuschkin

Co-Founder & Technical Lead

Former senior research scientist at DeepMind and OpenAI; frontier scaling expert who spearheaded Grok’s core pre-training architecture.

Memphis Supercluster Team (Colossus)

Cluster Infrastructure Engineering

Specialists in RoCE networking, substation power engineering, and liquid cooling who built the planet’s largest AI compute facility in record time.

LATEST NEWS & GUIDES

Related Articles and Guides on Grok & xAI

Colossus: Elon Musk’s Record-Breaking AI Supercomputer

The 100,000 GPU engineering milestone powering frontier training at xAI.

Read article →

Grok 3 Releases Developer API

Token pricing breakdown, reasoning models, and integration patterns for software products.

Read article →

xAI Unveils Grok Studio

The new interactive visual canvas for engineers and data analysts.

Read article →

Grok Vision: Multimodal AI Assistant

Detailed benchmark evaluation of image and chart recognition capabilities.

Read article →

Looking to Implement the Grok API?

We guide your enterprise through integrating xAI models, leveraging live web context and deep reasoning architectures.

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