xAI’s cost-efficient Grok 4 Fast

Together with

Welcome Humans🤖,

Here is what we have Today:

• 💕 Meta's AI eliminates swipe fatigue with perfect match predictions.

• 🤖 Unitree's G1 humanoid masters "anti-gravity" recovery.

• 🕵️ Secret job postings expose OpenAI's physical AI ambitions.

• 🧠 xAI's new model delivers frontier performance at lightning speed.

• 💼 New Job Opportunities

META

💌 Meta Brings AI Into the Dating Game

Dating apps are exhausting. Endless swipes, awkward intros, and profiles that all look the same. Meta thinks AI can fix that.

This week, Meta rolled out two new features for Facebook Dating:
👉 A dating assistant chatbot
👉 An automated surprise-match feature called Meet Cute

🤖 Dating Assistant

• Chatbot that turns text prompts into tailored matches

• Highlights quirks & interests (beyond just height, job, school)

• Suggests profile tips + dating ideas

🎲 Meet Cute

• Fully automated surprise match every week

• Powered by Meta’s personalized algorithm

• Don’t like it? 👉 Opt out anytime

💥 Why It Matters

• Tinder & Bumble dominate the swipe world

• But constant swiping = burnout 💤

• Meta’s AI aims to make dating feel smarter & fresher

⚠️ The risk? If AI pairs dog lovers with cat haters… expect some cringe dates.

Full Story - Facebook Dating gets an AI glow-up

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Grok

🏆 Grok 4 Fast Tops AI Benchmarks Without the Price Tag

💨 xAI’s Grok 4 Fast is here — smarter, quicker, cheaper

AI is speeding up — and xAI just dropped a model that rewrites the rules of efficiency.

Meet Grok 4 Fast: a hyper-efficient reasoning model that nearly matches frontier-level performance, while slashing costs to almost nothing.

⚡ What’s New?

• 🚀 Hyper-efficient reasoning model

• 🧠 Matches frontier-level performance

• 💸 98% cheaper than Grok 4

📊 The Numbers Don’t Lie

• 🔬 85.7% — GPQA Diamond (science)

• ➗ 92% — AIME 2025 (math)

• 🏆 #1 in LMArena Search Arena

• 💻 Outperforms larger Grok 4 in coding

🛠️ Upgraded Features

• 📏 2M token context

• 🌐 Native web browsing

• 👨‍💻 Built-in code execution

💡 Why It Matters
Grok 4 Fast proves that frontier AI doesn’t have to cost frontier prices.
This is what “intelligence too cheap to meter” looks like in action.

🔥 Takeaway:
AI performance + extreme cost savings = a game-changing leap.

Full story — Grok 4 Fast is cheaper, faster, and just ranked #1.

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Trending Today

• SF Weekly Pulse - DARPA Robotic Insects

• Alibaba has unveiled Qwen3-Omni, a fully multimodal AI that handles text, image, audio, and video in one model. Unlike OpenAI’s GPT-4o or Google’s Gemini 2.5 Pro, Qwen3-Omni is open source under Apache 2.0 license, allowing free commercial use and modification. Available on Hugging Face, the model charges $0.25 per million API tokens. Alibaba claims the model is state-of-the-art on several performance benchmarks.

• Unitree is pushing affordable humanoids closer to real-world use. Its G1 robot costs only 16 thousand dollars and has now shown an “anti-gravity” mode that lets it get back up after being knocked down. The G1 stands 92 cm tall, weighs 35 kg, has dexterous hands, and connects to G1 Cloud, a platform where robots can upload and share skills.

• OpenAI has been quietly scaling its robotics ambitions, steadily building a team with expertise in mechanical design, sensing, and software for real-world mobility. Recent job postings point to a goal of “general-purpose robotics” (the physical counterpart to its mission of developing AGI-level intelligence in digital form).

Job Opportunities

• Grammarly - Software Engineer, Data Platform - Apply

• Anthropic - Software Engineer, Machine Learning - Apply

• Descript - Software Engineer, Editor - Apply

• OpenAI - Technical Program Manager, Stargate - Apply

• Anthropic - Performance Engineer, GPU - Apply

AI News

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