xAI's real-time AI. Live X/Twitter data, Aurora image gen, less corporate tone. Cheap.
Grok is xAI's answer to ChatGPT, and the only frontier assistant that natively browses the live firehose of X (Twitter). Where every other model has a knowledge cutoff and a separate search tool, Grok sees what is trending right now — and tells you about it with a dry, less-corporate voice that other labs would not ship. It is the most opinionated frontier model of 2026.
Who it's for: X/Twitter power users, traders who need social signal, anyone who wants an AI that has opinions instead of hedging. Less ideal for formal writing, code review, or situations where you need a polished, neutral assistant.
Grok sees every public X post in real time. Ask "what are people saying about the iPhone 18 launch" and you get actual quotes, not training-data guesses.
Aurora is xAI's image model — strong on photorealism, weak on typography. Generates images natively in the chat; less polished than Midjourney but free with Grok access.
Grok's agentic mode browses the web and X in parallel, returns a cited report in 1-3 minutes. Less thorough than ChatGPT Deep Research but faster and includes social context.
128K-token context, competitive with Claude Sonnet and GPT-4o. Upload PDFs, drop in code, analyze long transcripts.
Grok-2 is not a ChatGPT replacement. It is a different kind of assistant — one with a personality, real-time social signal, and the lowest premium price of any major model. If you live on X, want to know what is actually trending, or just want an AI that does not feel like it was focus-grouped into blandness, Grok is genuinely useful at $8/mo. For most other work, stick with Claude or ChatGPT.
The workhorse. Polished, multimodal, more capable at general work than Grok.
Best long-form writing and code review. The opposite of Grok in personality.
Better than Grok for general web research with citations. Skip social signal though.
Best price-per-token. 2M context, tight Google Workspace integration.