Models & Architectures

Grok

xAI's chatbot — real-time X access, fewer content restrictions, competitive with GPT-5.

Also known as: Grok 4,xAI Grok

Grok is xAI's flagship chatbot, built on the Colossus training cluster. Grok 4 (2026) is the first version that benchmarks competitively against GPT-5 and Claude Opus on most tasks. Its differentiators: native access to the X (Twitter) firehose for real-time information, fewer content restrictions than ChatGPT or Claude, and an irreverent personality. Pricing: free for basic on X, $8/month X Premium for Grok 3, $30/month SuperGrok for unlimited Grok 4. Strongest for: current-events questions, X-heavy users, people frustrated with ChatGPT's safety filters. Weaker than ChatGPT on plugin ecosystem and integrations.

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Tools that use this

Grok

xAI's irreverent chatbot with real-time X (Twitter) knowledge.