• AI Horizons
  • Posts
  • Grok 4 (Or Dare We Say AGI?) Has Arrived

Grok 4 (Or Dare We Say AGI?) Has Arrived

PLUS: Mathematical Superintelligence, Nvidia Hits $4T, AWS Agent Marketplace Goes Live, and Perplexity’s New AI Browser Challenges Google

In partnership with

Welcome back to AI Horizons, your no-fluff guide to what's shaping AI today. Here's what’s on deck today:

  • Grok 4’s groundbreaking AI launch

  • Nvidia hits historic valuation

  • AWS Agent Marketplace debut

  • Mathematical Superintelligence advances

  • Perplexity’s AI browser launch

  • How to optimize memory for agents

FEATURED INSIGHT💡

Grok 4: The Smartest AI on Earth (At Least for Today)

Elon Musk’s xAI just dropped Grok 4, its latest AI model and reportedly the smartest AI yet. Grok 4 isn’t your typical LLM upgrade; it’s built to reason, research, and interact more intuitively than ever before.

This latest version integrates native tool use, real-time web searching, and deep media analysis, enabling Grok 4 to handle complex queries that stump other models. It can autonomously choose search strategies, analyze web and media content, and synthesize deep research to deliver precise, real-time insights.

The big story? Grok 4 Heavy, an even beefier model, has set a record as the first AI to achieve a 50% score on Humanity’s Last Exam, a daunting academic benchmark considered the final frontier of closed-ended AI testing. It outperformed rivals like Google's Gemini Deep Research and Claude Opus 4 in fields ranging from competitive math to advanced coding.

Why care? Because Grok 4’s enhanced reasoning and practical decision-making skills mean businesses can tackle real-world, messy, dynamic problems, going beyond just text-based tasks into genuine, interactive problem-solving.

ON THE HORIZON 🌅

Mathematical Superintelligence Takes Another Giant Leap

Harmonic, the Palo Alto-based AI lab pioneering Mathematical Superintelligence (MSI), just raised $100M in a Series B round, pushing its valuation near the billion-dollar mark.

Led by Kleiner Perkins, the investment aims to accelerate Harmonic’s flagship MSI model, Aristotle, which guarantees error-free reasoning, making it a game-changer for sectors that absolutely can’t afford mistakes (think aerospace, finance, blockchain, and cybersecurity).

Harmonic’s MSI tackles problems far beyond human reach, leveraging pure mathematical reasoning instead of probabilistic guesswork. CEO Tudor Achim says Aristotle is now shifting "from research to real-world use," promising major implications across critical industries and potentially unlocking advancements in physics, engineering, and even general AI intelligence.

LATEST IMPORTANT NEWS 📰

Nvidia Touches $4 Trillion

Nvidia hit a historic $4 trillion market cap (albeit briefly) becoming the first-ever company to do so. The AI boom keeps boosting Nvidia, which remains the cornerstone of generative AI hardware despite challenges like ongoing export restrictions to China.

AWS Launches Agent Marketplace

AWS is unveiling its new AI Agent Marketplace next week, partnering with Anthropic to enable startups and enterprises to easily discover, deploy, and monetize AI agents. The move mirrors Google’s and Microsoft’s recent steps, underscoring the growing trend of “agent economies.”

The AI Browser Wars Heat Up: Perplexity Takes Aim at Google

Perplexity has launched Comet, an AI-powered web browser designed to challenge Google’s dominance head-on. Its standout feature, the built-in Comet Assistant, brings real-time context to web browsing and automates routine tasks, including managing emails and calendars, though its early reviews indicate some rough edges when handling complex requests.

CEO Aravind Srinivas sees Comet as more than just a browser… it’s aiming to become an entire OS-level tool that could redefine user engagement. But Comet faces serious competition from browsers like Google Chrome, Apple's Safari, and newcomers like Dia from The Browser Company. Still, given Perplexity’s rapid growth (780 million queries in May alone), the browser wars may just be heating up.

FOR THE TECHNICALLY INCLINED 🛠️

Level Up Your AI Agent’s Memory Game

Memory is critical for effective AI agents, especially as context windows get more crowded and expensive. Diamantai just published a comprehensive guide on optimizing AI agent memory, covering short-term retention, long-term summarization, token compression, and efficient data retrieval strategies. Ideal if you’re building smarter, more contextually aware agents.

4 Titans of the Creator Economy. One Stage. One Day.

You know their names. You’ve followed their success. But you’ve never seen them all in one place—until now.

On July 16th, four of the most influential minds in the creator space are coming together for a live, virtual event: The Creator Business Summit.

Shaan Puri. Codie Sanchez. Chris Koerner. Tyler Denk.

They’ve built newsletters, brands, and 7-figure companies. And they’re breaking down how they did it. For free. For you.

From audience growth to monetization to long-term brand strategy, this is your chance to learn directly from the best.

Whether it’s day 1 or you’ve been building for a while, this is the one event you can’t afford to miss.

AI TOOL OF THE DAY 🚀

PrompTessor: AI Prompting Made Better

Struggling to craft effective AI prompts? Check out PrompTessor, a tool that analyzes, evaluates, and optimizes your AI prompts to ensure your interactions with AI systems get results, every time.

🤖 Use AI To Generate Passive Income

Ready to make money online and finally put your creativity to work? How To Make & Sell Digital Products is your ultimate step-by-step guide to building a profitable business from anywhere with help from AI tools like ChatGPT to speed up the process. Learn how to identify hot niches, use the best platforms, and master the marketing skills to grow your audience and scale your income.

Perfect for beginners, side hustlers, and aspiring entrepreneurs.

Grab your copy today while it’s on sale and start your journey toward passive income and financial freedom!

That's all for now!

We'll catch you in the next one.

Cheers,

The AI Horizons Team

P.S. If you missed our last issue, no worries, you can check out all previous issues here!

P.P.S We value your thoughts, feedback, and questions - feel free to respond directly to this email!

... and if you enjoyed this email and would like to support our work and help us keep bringing you cutting-edge AI insights, you can donate here. Every bit makes a difference—thank you for your support!

What did you think about today's email?

Login or Subscribe to participate in polls.