OpenAI pushes Codex to the Max

Good morning, AI enthusiasts. Gemini 3 is the talk of the AI world — and while there are still more fireworks from Google expected this week, OpenAI just dropped an upgrade of its own to remind everyone who the AI leader is.

The brand new Codex-Max model claims performance and efficiency that put it at the highest of the AI coding charts once more, while grinding out development sessions of 24+ hours straight in the method.

Reminder: Our next live workshop, ‘The Human-First Agentic Content Workflow’, is today at 4 PM EST. Join and learn the way to use n8n to automate content while keeping human judgment involved for accurate and powerful outputs. RSVP here.

In today’s AI rundown:

• OpenAI’s Codex-Max tackles 24-hour coding tasks

• Saudi Arabia inks AI deals with xAI, Nvidia

• Find out how to use Gemini 3 to construct powerful simulations

• Meta’s computer vision AIs turn photos into 3D models

• 4 latest AI tools, community workflows, and more

LATEST DEVELOPMENTS

OPENAI

⚙️ OpenAI’s Codex-Max tackles 24-hour coding tasks

The Rundown: OpenAI just rolled out GPT-5.1-Codex-Max, an upgrade to its agentic coding model that uses a brand new “compaction” technique to work across context windows for longer-running, complex tasks and handle development sessions of over 24 hours.

The small print:

• Codex-Max shows strong improvements over Codex-High across development benchmarks, also surpassing the brand new Gemini 3 Pro in coding tasks.

• The model uses 30% fewer tokens than its predecessor while running significantly faster on real-world tasks through improved reasoning efficiency.

• Compaction allows Max to ‘prune’ session history while preserving context, allowing it to work across tens of millions of tokens and for over 24 hours straight.

• The model is straight away available in OpenAI’s Codex CLI and IDE extensions for Plus, Pro, and Enterprise users, with API access also launching soon.

Why it matters: While Gemini 3 stole OAI’s thunder this week, coding performance was one among the few areas still lagging — and Codex-Max (one other incremental update as a substitute of a much bigger release) pushes the sector even higher. The 24-hour coding sessions also proceed the up-only trend of task time capabilities for top AI models.

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HUMAIN

🤝 Saudi Arabia inks AI deals with xAI, Nvidia

The Rundown: Saudi Arabia’s HUMAIN announced latest AI partnerships with xAI, Nvidia, and other major firms on the U.S.-Saudi investment forum — including a plan to deploy 600K GPUs, construct a 500+ MW data center, and deploy Grok nationwide.

The small print:

• xAI will construct its first international data center in Saudi Arabia, deploying Grok nationwide through HUMAIN’s agent platform for presidency & enterprise use.

• The HUMAIN deals expand to the West for the primary time, establishing Nvidia-powered data centers within the U.S. along with its Middle East infrastructure.

• AWS will even roll out 150K chips to Saudi Arabia’s ‘AI Zone’ data center, with other HUMAIN partnerships including AMD, Cisco, Adobe, and Qualcomm.

• AI video platform Luma AI also announced a $900M raise led by HUMAIN to construct a 2GW supercluster launching in 2026 for multimodal model training.

• The U.S. government reportedly approved AI chip sales to each HUMAIN and the UAE’s G42, opening the door to exports within the region after previous limits.

Why it matters: Despite previous restrictions and national security concerns around AI deals within the Gulf region, the floodgates are open — and everyone seems to be able to benefit from the large money, energy, and land ripe for datacenters. Saudi Arabia’s big moves are quickly turning the country into a significant player within the industry.

AI TRAINING

🎉 Find out how to use Gemini 3 to construct powerful simulations

The Rundown: On this tutorial, you’ll learn the way to use Gemini 3 to create interactive simulations, educational visualizations, and functional tools in a single shot, leveraging its benchmark-shattering capabilities for visual learning and rapid prototyping.

Step-by-step:

1. Go to the Gemini homepage and choose “Gemini 3 Pro” for reasoning, or “DeepThink” for advanced performance (confirm availability in your region)

2. Enter your prompt within the chat box — example: “Construct a 3D simulation of a quantum computer”

3. Review the immersive simulation output and click on “Explain” to activate the AI tutor for summarized learning, then view or share the code

4. Experiment with different projects like games, content schedulers, or data dashboards; try again if the sim shouldn’t be functional and visually appealing

Pro Tip: Use Gemini 3 Pro for visual learning, constructing internal tools, and rapid prototyping. It’s particularly strong in those areas.

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META

👁️ Meta’s computer vision AIs turn photos into 3D models

The Rundown: Meta released SAM 3 and SAM 3D, two computer vision models that discover, segment, and rebuild objects or people in a photograph into 3D models through text descriptions, alongside a brand new Segment Anything Playground to try these systems.

The small print:

• SAM 3 segments objects using detailed text descriptions like “yellow school bus,” an upgrade from the fixed label limitations of previous vision models.

• SAM 3D Objects and 3D Body reconstruct scenes and human figures from single photos, achieving 5:1 win rates in human preference tests over rivals.

• Each models launched on the brand new Segment Anything Playground free of charge experimentation, with SAM 3 weights and code also fully open-sourced.

• Meta is deploying the tech into Facebook Marketplace’s ‘View in Room’ feature, with integration into Edits and Vibes creation apps also coming soon.

Why it matters: The pc vision upgrades we’ve seen over the previous couple of years are massive, and Meta’s latest open-source models bring much more powerful segmenting and 3D capabilities to everyone — with applications each across Meta’s product lines and for individual users in creative, robotics, and other workflows.

QUICK HITS

🛠️ Trending AI Tools

• 🏆 Gemini 3 – Google’s latest top-ranked AI model

• ⚙️ Antigravity – Google’s latest agentic development platform

• 🤖 Agent 365 – Microsoft’s latest platform for managing AI agents

• 🫂 Poe – Recent group chat with as much as 200 users and 200+ model options

📰 The whole lot else in AI today

OpenAI began rolling out a “more capable” GPT-5.1 Pro to ChatGPT Pro users, with sharp gains in writing, data science, and business tasks.

Former Treasury Secretary Larry Summers is resigning from OpenAI’s Board of Directors following the reveal of his email exchanges with sex offender Jeffrey Epstein.

Nabla Bio unveiled JAM-2, an AI model that designs therapeutic antibodies directly on computers with drug-quality properties and SOTA success rates.

AI music startup Suno announced a brand new $250M funding round that values the corporate at $2.45B.

Adobe is acquiring search engine optimization platform Semrush for $1.9B, integrating the tech into marketing tools to assist users optimize presence across search and AI platforms.

Warner Music Group can be dropping its lawsuit against AI music platform Udio, joining UMG in licensing its catalogs for Udio’s coming platform revamp.

COMMUNITY

🤝 Community AI workflows

Every newsletter, we showcase how a reader is using AI to work smarter, save time, or make life easier.

Today’s workflow comes from reader Beth T. in Belmar, NJ:

“I volunteer at my local Veterans of Foreign Wars Post, and once they needed help with their Clover POS system, they turned to me. I had zero experience with Clover. I used ChatGPT to learn the whole system—asking questions, troubleshooting issues, and walking through setup and configuration. I also use ChatGPT to create posters for VFW events. The mixture of guidance and artistic support has saved me hours.”

How do you employ AI? Tell us here.

🎓 Highlights: News, Guides & Events

• Read our last AI newsletter: An exclusive interview with Demis Hassabis

• Read our last Tech newsletter: Apple’s next CEO is already waiting

• Read our last Robotics newsletter: UBTech’s army of humanoid staff

• Today’s AI tool guide: Use Gemini 3 to construct powerful simulations

• RSVP to next workshop today @4 PM EST: The Human-First Agentic Content Workflow

See you soon,

Rowan, Joey, Zach, Shubham, and Jennifer — the humans behind The Rundown