Last updated: 2026-07-10
Grok is xAI's AI assistant with real-time X and web integration, free for roughly 10 messages per 2 hours on Grok 4 Mini. Grok 4.5 launched July 8, 2026 as the new API flagship for coding and agentic tasks, ranking #1 for agentic tool-use among 28 tested models, with a 500K-token context window. Grok 4.3 runs on Amazon Bedrock with a 1M token context window. SuperGrok Lite added a mid-tier consumer option in March 2026. Free Microsoft 365 add-ins for Word, Excel, and PowerPoint launched June 2026.
About Grok
Grok is xAI's AI chatbot founded by Elon Musk's team combining advanced reasoning with real-time X and web data integration for current, factual answers. The platform uniquely accesses breaking news and trending topics from X, distinguishing it from competitors relying on static training data. Grok's positioning as a 'truth-seeking' AI emphasizes frank, unfiltered responses over politically correct filtering. Grok offers three primary access methods: free tier with usage limits (~10 messages per 2 hours), paid SuperGrok subscription ($30/month for unlimited access), and API access with pay-per-token billing. The platform supports both consumer chat use and enterprise deployments via Business plans ($30/seat/month) and custom Enterprise options. Grok operates on a transformer-based architecture with real-time training integration, allowing continuous updates from X and web sources. Key features include a massive 2 million token context window, multimodal capabilities supporting text, images, and video generation via Grok Imagine, and agentic deep research for complex analysis. DeepSearch mode enables autonomous research on complex queries, while voice interaction supports natural conversations in multiple languages. The platform ranks number 2 on LMArena leaderboard with an Elo score of 1481 as of early 2026. Grok 4.20 Beta 2, released March 3, 2026, represents a significant advancement featuring a multi-agent debate architecture where four specialized AI agents simultaneously debate and challenge each other's reasoning. This collaborative reasoning approach produces more accurate and refined answers with substantially reduced hallucination compared to single-agent systems. The update includes improved LaTeX rendering for scientific text, more reliable image search and multi-image display, and maintains real-time awareness through X and web integration. Target users span developers and engineers using the API for production applications, professionals seeking current information with real-time sources, organizations deploying team collaboration via Grok Business, and enterprises requiring custom governance via Enterprise plans. Grok is available on iOS (App Store, iOS 17+), Android (Google Play), web at grok.com, and through integrations in third-party applications.
Screenshots
Pricing
Free tier (~10 messages per 2 hours, Grok 4 Mini). SuperGrok Lite at $10/month for casual paid access with basic generation limits (added March 2026). SuperGrok at $30/month for unlimited consumer access. SuperGrok Heavy at $300/month for maximum limits and priority access. X Premium ($8/mo) and X Premium+ ($40/mo) bundle Grok with X social features. Grok Business at $30/seat/month for teams. API: grok-4.3 at $1.25/M input, $2.50/M output (1M context); grok-4.5 at $2.00/M input, $6.00/M output (500K context, launched July 8, 2026); grok-build-0.1 at $1.00/M input, $2.00/M output (256K context, agentic coding).
Feature Comparison by Tier
| Feature | SuperGrok | Grok Business | SuperGrok Heavy | Free (Grok.com / X) |
|---|---|---|---|---|
| Model access | Grok 4 + 4.1 Fast | Grok 4 + 4.1 Fast | Grok 4.20 Heavy | Grok 3 only |
| Context window | 2M tokens | 2M tokens | 2M tokens | Limited |
| Message limits | Unlimited | Unlimited per seat | Unlimited (priority) | ~10 per 2 hrs |
| DeepSearch (agentic research) | ✓ | ✓ | ✓ | — |
| Grok Imagine (image & video) | ✓ | ✓ | ✓ | Limited |
| Voice interaction | Full voice mode | Full voice mode | Full voice mode | Basic |
| Real-time X + web data | ✓ | ✓ | ✓ | ✓ |
| Team management & SSO | — | ✓ | — | — |
| API access | — | Separate API billing | — | — |
| Price | $30/mo | $30/seat/mo | $300/mo | $0/mo |
Key Features
- Real-Time Web & X Integration: Access live data from X and the internet to answer current questions, breaking news, and trending topics with real-time citations.
- Multi-Agent Architecture (Grok 4.20 Series): The grok-4.20 series runs four specialized AI agents simultaneously with a 1M token context window that debate and challenge each other's reasoning to reduce hallucination. Grok 4.5 (July 2026) takes a new approach tuned for coding and agentic tasks with configurable reasoning effort.
- Dual Context Windows Across API Models: grok-4.3 provides a 1 million token context window for enterprise and long-document workflows; grok-4.5 (July 8, 2026) ships a 500K context window optimized for coding and agentic task throughput at a lower token cost.
- Multimodal Capabilities: Supports text input/output, image analysis, and native image and video generation via Grok Imagine.
- Distinctive Personality: Witty, sarcastic, and less politically correct than competitors, designed for frank, engaging conversations.
- Grok 4.5 (July 2026), Grok 4.3 on Amazon Bedrock, Grok Build 0.1: Grok 4.5 launched July 8, 2026 as the new API flagship for coding and agentic tasks with a 500K-token context window and configurable reasoning effort, ranking #1 for agentic tool-use among 28 tested models. Grok 4.3 is generally available on Amazon Bedrock. Grok Build 0.1 is a purpose-built agentic coding model in public beta.
- Grok Imagine Video 1.5 (Now GA): Grok Imagine Video 1.5 reached general availability in June 2026, available via the Imagine API, grok.com/imagine, and iOS/Android apps, with improved image-to-video quality, faster generation, Projects, multi-agent support, and search workflows.
- Grok for Microsoft 365 (Word, Excel, PowerPoint): Free Microsoft 365 add-ins bring Grok into Word (turns notes into polished documents), PowerPoint (builds full decks from a single prompt), and Excel (data analysis and formula generation); requires SuperGrok, Heavy, Business, or Enterprise subscription.
Pros
- Real-time knowledge from X and web makes it current and unique vs. static training cutoffs
- 2M token context window is industry-leading for handling massive documents and codebases
- Competitive API pricing at $0.20/M input tokens for Grok 4.1 Fast vs. $2.50+/M for GPT-4o
- Distinctive personality and tone makes conversations feel more natural and engaging
- Strong benchmark performance on reasoning, math (AIME 100%), and coding tasks
Cons
- History of controversial outputs including misinformation, antisemitism, and problematic content moderation
- Limited third-party integrations compared to ChatGPT ecosystem
- Less mature ecosystem for enterprise features vs. established competitors
- Data retention and privacy concerns regarding voice interactions and image uploads
- Occasional hallucinations particularly when pulling real-time data from social media
Product Information
- Cloud
- Yes
- Self-Hosted
- No
- On-Premise
- No
- Languages
- English, Spanish, Portuguese, Japanese, French, German, and 95+ more via Voice Agent API
- Training
- Documentation (docs.x.ai), API Reference, Community Discord, xAI Blog
Frequently Asked Questions
What is Grok?
Grok is xAI's AI chatbot, founded by Elon Musk's team, combining advanced reasoning with real-time access to X (formerly Twitter) and web data for current, factual answers. Grok 4.20 Beta 2, released March 3, 2026, introduced a multi-agent debate architecture where four specialized AI agents simultaneously challenge each other's reasoning to reduce hallucination.
How much does Grok cost?
Grok offers a free tier with usage limits (~10 messages per 2 hours on Grok 4 Mini). SuperGrok Lite costs $10/month for casual paid access with basic daily generation limits. SuperGrok costs $30/month for unlimited consumer access, and SuperGrok Heavy costs $300/month for maximum limits. Grok Business costs $30/seat/month for team collaboration. API billing starts at $1.25/M input tokens for grok-4.3 (1M context) and $2.00/M input tokens for grok-4.5 (500K context, July 2026).
What are the main features of Grok?
Grok features context windows up to 1M tokens (grok-4.3) or 500K tokens (grok-4.5, July 2026), multimodal capabilities including image and video generation via Grok Imagine, agentic deep research via DeepSearch mode, voice interaction in multiple languages, and real-time data integration from X and the web. It ranked #2 on the LMArena leaderboard with an Elo score of 1481 as of early 2026.
Is Grok free to use?
Yes, Grok has a free tier limited to roughly 10 messages per 2-hour window. Unlimited access requires SuperGrok ($30/month) for individuals or Grok Business ($30/seat/month) for teams.
Who is Grok best for?
Grok is best for users who need current information from real-time X and web data — journalists, traders, researchers tracking breaking news — and developers building applications via its API with a 2 million token context window. Users prioritizing maximum content moderation or filtering may prefer alternatives, given Grok's 'truth-seeking,' less-filtered positioning.
How does Grok compare to ChatGPT and Gemini?
Grok's key differentiator is real-time access to X and web data for breaking news, plus a massive 2 million token context window, whereas ChatGPT and Gemini rely more on static training data refreshed periodically (though both have added some web search). Grok ranks #2 on LMArena with an Elo of 1481 as of early 2026.
Does Grok support real-time information?
Yes, Grok's defining feature is its real-time integration with X and web data, allowing it to access breaking news and trending topics that static-training-data models cannot, through both standard chat and DeepSearch agentic research mode.
Is Grok available via API?
Yes, Grok offers API access with pay-per-token billing. grok-4.3 provides a 1M token context window at $1.25/M input and $2.50/M output. grok-4.5 (launched July 8, 2026) is the flagship for coding and agentic tasks with a 500K context window at $2.00/M input and $6.00/M output. Both models support multimodal capabilities (text, image, video) and real-time web and X data access.
Top Alternatives
- ChatGPT: Pick ChatGPT if you want the broadest plugin ecosystem and most widely supported AI assistant integrations.
- Gemini: Pick Gemini if you live inside Google Workspace and need native 1M-token context without switching tools.
- Claude: Choose Claude when precise coding and long-form reasoning matter more than real-time social data.
HokAI guides covering Grok
- xAI Spent $60 Billion on Cursor. Grok Build Now Runs Two Coding Models.: SpaceX's $60B Cursor deal means xAI's Grok Build now runs Composer 2.5 and Grok 4.5 side by side, with no vendor benchmark comparing the two coding engines.
- How to Choose an AI Assistant: ChatGPT vs Claude vs Copilot vs Grok vs Poe: ChatGPT, Claude, Copilot, Grok or Poe? Real 2026 prices and context windows, plus a framework to match the right AI assistant to your ecosystem and task.
- Meta Started Charging for Its AI Agents. The Framework Under Them Just Lost Its Creator to OpenAI: Meta's Business Agent stopped being free on Aug. 1, 2026. Meta AI hit 1.2 billion users, and the framework behind Meta's own agents lost its creator to OpenAI.