xAI Launches SuperGrok Heavy; Moonshot AI Unveils Kimi K2
xAI has introduced a new subscription service, SuperGrok Heavy, priced at USD 300 per month. This service offers early access to Grok 4 Heavy and upcoming features. Meanwhile, Moonshot AI has released Kimi K2, a cutting-edge AI model with a trillion parameters, making it freely available as open-source.
Grok 4, the latest model from xAI, has demonstrated impressive performance. It scored 25.4% on Humanity's Last Exam without tools, outperforming competitors like Google's Gemini 2.5 Pro and OpenAI's o3. With tools, Grok 4 Heavy achieved an even higher score of 44.4%. This multi-agent model delivers frontier-level performance on various benchmarks.
Elon Musk, a prominent figure in the tech industry, has praised Grok 4 Heavy. He noted that the model spawns multiple agents to tackle problems simultaneously, enhancing its performance. xAI released Grok 4 in two versions: the standard Grok 4 and the enhanced Grok 4 Heavy.
In other news, Moonshot AI has launched Kimi K2, a model that excels in frontier knowledge, mathematics, coding, and general agentic tasks. Moonshot made Kimi K2 freely available over the weekend, providing the model weights for download via Hugging Face. The company claims that Kimi K2 surpassed Claude Opus 4 on two benchmarks and outperformed OpenAI's GPT-4.1 in several industry metrics.
xAI's SuperGrok Heavy subscription offers early access to advanced AI features, while Moonshot AI's Kimi K2 provides a powerful open-source model for various tasks. Both releases highlight the ongoing advancements in AI technology.
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