xAI introduced Grok 4 and Grok 4 Heavy, featuring cutting-edge AI performance to compete with top models like ChatGPT and Gemini. Grok 4 scored 25.4% on Humanity's Last Exam, outperforming OpenAI's o3 and Gemini 2.5 Pro, both at 21%. Grok 4 Heavy excelled with a score of 44.4% when using tools, the highest in that category. The multi-agent system in Grok 4 enhances collaborative problem-solving, improving reasoning and task accuracy. The premium SuperGrok Heavy subscription provides early access to Grok 4 Heavy and future features.
xAI launched its flagship AI models, Grok 4 and Grok 4 Heavy, along with the SuperGrok Heavy subscription tier, priced at $300 per month and targeting developers.
Grok 4 scored 25.4% on Humanity's Last Exam, outperforming competitors OpenAI's o3 and Gemini 2.5 Pro, which scored 21% each.
Under tool-assisted conditions, Grok 4 Heavy achieved a score of 44.4%, surpassing the performance of Gemini 2.5 Pro, which scored 26.9%.
Grok 4 features a 'multi-agent' system that allows multiple instances of the model to work collaboratively to enhance reasoning and accuracy in complex tasks.
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