General AssistantFree tier available
Grok
Model: Grok 3
xAI's assistant built into X (Twitter), known for a witty, uncensored tone and real-time access to the X feed.
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Strengths
- Real-time knowledge from the X platform
- Distinctive, humorous personality
- Strong reasoning with Grok 3 models
- Free tier on X and web
Weaknesses
- Quality varies by task and version
- Less suited to long-form professional writing
- Smaller integration ecosystem
Best for
Trend-aware conversation and X-centric research