AI-powered assistant by xAI that supports text and voice chat, image and video generation, real-time web search, and code generation.
AI-powered assistant by xAI that supports text and voice chat, image and video generation, real-time web search, and code generation.
Grok is a conversational AI assistant developed by xAI, Elon Musk's artificial intelligence company founded in 2023. Built on the Grok family of large language models, it distinguishes itself from competitors like ChatGPT, Gemini, and Copilot through its real-time integration with the X (formerly Twitter) platform, giving it access to up-to-the-minute posts, trending topics, and public discourse that other AI assistants cannot natively access.
The latest flagship model, Grok 3, was released in February 2025 and demonstrated strong benchmark performance, scoring 93.3% on the MATH-500 mathematical reasoning benchmark and 85.7% on the GPQA Diamond graduate-level science benchmark. Grok 3 also introduced a dedicated reasoning mode called 'Think,' which applies extended chain-of-thought processing to complex problems, and 'DeepSearch,' a multi-step research capability that synthesizes information from across the web and X into comprehensive answers with citations.
For image generation, Grok uses the Aurora model, which is capable of producing photorealistic images from text prompts, including images of public figures and content in styles that other platforms typically restrict. Grok also supports video generation through its integration with the Flux video model. On the coding front, Grok provides code generation, debugging assistance, and code explanation across multiple programming languages.
Grok processes over 10 million queries per day across its web interface and X integration points. The assistant is available in 30+ languages and runs on xAI's Colossus supercomputer cluster, which houses approximately 200,000 NVIDIA H100 GPUs, making it one of the largest AI training infrastructures in the world.
A defining characteristic of Grok is its personality: the assistant is designed to answer questions with wit, humor, and a willingness to engage with controversial or edgy topics that other AI assistants typically avoid. This 'unfiltered' approach has attracted users who feel mainstream AI assistants are overly cautious, though it has also drawn criticism for occasionally producing misleading or inappropriate content.
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Grok 3, released February 2025, is xAI's frontier large language model trained on the Colossus supercomputer with ~200,000 H100 GPUs. It scores 93.3% on MATH-500 and 85.7% on GPQA Diamond, putting it in the top tier of reasoning models. Grok 3 mini is offered to free-tier users with reduced query limits.
Think mode applies explicit chain-of-thought reasoning to complex problems, showing intermediate steps before producing a final answer. It is designed for math, coding, science, and multi-step logic tasks where standard generation underperforms. Users can toggle Think mode on demand for queries that benefit from deeper deliberation.
DeepSearch performs iterative, multi-step research across the web and X platform, synthesizing findings into a single cited answer. It evaluates source quality, follows up on partial results, and produces structured outputs suitable for briefings or reports. This positions Grok as a direct competitor to Perplexity AI and ChatGPT's deep research feature.
Aurora is xAI's in-house image generation model, designed for photorealistic outputs from natural-language prompts. It permits a broader range of subjects — including public figures and edgier creative styles — than competing image generators. Aurora is integrated directly into the Grok chat interface, eliminating the need for a separate image tool.
Grok is the only major conversational AI with native, live access to the X platform's stream of posts, trends, and public discourse. This allows it to answer questions about events happening minutes ago and surface community sentiment in real time. It is available both inside the X app and on grok.com, with consistent context across surfaces.
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Grok 3 launched in February 2025 as xAI's flagship model, introducing Think mode for chain-of-thought reasoning and DeepSearch for multi-step cited research. The Aurora image generation model became broadly available within the Grok interface, and the standalone grok.com web app and dedicated mobile apps were rolled out alongside continued integration with the X platform. xAI's Colossus supercomputer scaled to approximately 200,000 NVIDIA H100 GPUs to support training and inference at scale.
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