xAI just dropped Grok 4 & Grok 4 Heavy

Plus: Google's medical AI

Author

Amandeep Singh
July 11, 2025

Welcome Humans🤖,

Here is what we have Today:

  • 🎓 xAI's new model claims PhD-level expertise in everything.

  • 🤖 Reachy Mini brings AI robotics to your desk

  • 🏥 MedGemma interprets X-rays and patient records.

  • 📖 Perplexity's Comet does your browsing homework.

  • 💼 New Job Opportunities

XAI

xAI’s back — and it's not playing safe anymore.

Just months after Grok 3 crashed and burned under backlash for racist and antisemitic outputs, Elon Musk’s xAI is swinging back with Grok 4 — and its beast-mode sibling, Grok 4 Heavy.

These aren’t just upgrades. They’re high-IQ, SOTA-crushing, reasoning-only models that just outscored nearly every other model in their weight class.

Image Source: xAI

🤖 What’s New?

🔹 Grok 4 = Single-agent AI
✔️ Voice, Vision, 128K context
✔️ Built for clean, smart, reasoning tasks

🔹 Grok 4 Heavy = Multi-agent upgrade
💡 Designed for complex, layered problem solving

📊 Benchmark Breakdown

🏆 SOTA on:

  • Humanity’s Last Exam

  • Arc-AGI-2

  • AIME

📈 Outperforms:

  • OpenAI o3

  • Gemini 2.5 Pro

💸 Pricing & Access

💰 SuperGrok Plan
$30/month (Grok 4)

💼 SuperGrok Heavy
$300/month (Grok 4 Heavy)

🧑‍💻 API Access
✔️ 256K-token context
✔️ Built-in search
📊 $3M/input | $15M/output tokens

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GOOGLE DEEPMIND

World-class diagnostics — now on your phone.

Thanks to Google’s latest update, that future is here.

This week, Google dropped two new open-source models under its MedGemma medical AI family — including a massive 27B parameter model that can read X-rays, analyze patient records, and even interpret traditional medical texts.

Image Source: Google

🚨 What’s New?

🔍 Google launched two open-source medical AI models:
• MedGemma 27B – A massive model for interpreting medical images + patient records
• MedSigLIP – Combines vision + language to analyze text and images

🏥 What Can It Do?

• Analyze X-rays, skin conditions, and more
• Understand patient history + medical texts
• Works on everything from phones to hospitals

📊 Real-World Accuracy

📌 MedGemma’s AI reports matched radiologist quality 81% of the time
📈 Benchmarked up to 87.7% accuracy on MedQA (27B model)
📱 Even the 4B model runs on a laptop or smartphone

🌏 How It's Being Used

🏥 One hospital trained it on Traditional Chinese Medicine
⚡ Another used it for urgent-care X-rays

🌐 Why It Matters

Google is lowering the barrier to healthcare innovation:
✔️ Open-source
✔️ Customizable
✔️ Accessible worldwide
Now, clinics and underserved communities can access AI tools once locked in research labs.

💡 TL;DR

MedGemma brings cutting-edge medical AI to the hands of anyone — from rural clinics to solo practitioners.
The future of healthcare? Smaller, smarter, and more inclusive.

Trending Today

  • China has unveiled its new traffic assistance humanoid that utilizes multi modal AI, including visual, auditory and spatial data to navigate streets and to communicate effectively.. These robots can interact with the environment and perform general patrolling duties, working along human police officers during rush hour traffic to ensure traffic flow.

  • Perplexity has launched Comet, a Chromium-based browser built from the ground up around AI rather than bolted on as an afterthought. Its standout feature, Comet Assistant, can read and reason over any webpage in real time, summarizing YouTube videos, parsing documents, or comparing products without endless tab hopping. A hybrid AI design keeps basic tasks local for speed and privacy, while complex queries run in the cloud.

  • OpenAI just pulled four top engineers from Tesla, xAI, and Meta to bulk up its scaling team, per an internal Slack memo from cofounder Greg Brockman. David Lau, Tesla’s former VP of software, joins along with Uday Ruddarraju and Mike Dalton, ex-xAI engineers who helped build Colossus, the 200,000-GPU supercomputer, and Angela Fan, an AI researcher from Meta. This crew will reinforce Stargate, OpenAI’s massive backend system powering its next-gen foundation models.

  • Hugging Face has dropped Reachy Mini, a $299 desktop robot built to crack open the robotics industry. At just 11 inches tall, this DIY humanoid hooks straight into the Hugging Face Hub, giving millions of developers plug-and-play access to AI models. Reachy Mini runs on a Raspberry Pi 5 with full wireless autonomy, six degrees of freedom, a camera, mics, and animated antennas, packing serious capability for its price.

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AI News

Source: Ideogram

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