xAI launches Grok 4 Heavy, a "multi-agent version" of Grok 4 offering increased performance, and unveils a new $300/month AI subscription plan, SuperGrok Heavy (Maxwell Zeff/TechCrunch)

Maxwell Zeff / TechCrunch:
xAI launches Grok 4 Heavy, a “multi-agent version” of Grok 4 offering increased performance, and unveils a new $300/month AI subscription plan, SuperGrok Heavy  —  Elon Musk's AI company, xAI, late on Wednesday released its latest flagship AI model, Grok 4, and unveiled …

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