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My friend Robert Nishihara told me a fun math problem the other day. O3 gets it wrong even after a fair amount of prodding - is this somehow harder than the olympiad problems where it gets 95% accuracy?

Huge crowd at Weights & Biases fully connected conference! Awesome to see!

Our engineers have been elbows-deep with Weights & Biases, and we cannot wait to show you what we’ve built together on day 2! 🫡

We're launching the first integrated capabilities with Weights & Biases. From real-time training observability to seamless model access & live agent evaluations, AI teams can now iterate faster than ever. hubs.ly/Q03sJGSN0

🚨 Announcement #1 Deep observability for cluster health is here! Our new integration with CoreWeave's Mission Control, automatically pulls GPU & network error alerts right into W&B dashboards.

At Fully Connected, I talked with Lavanya Shukla about building AI startups: how to recruit top talent when Big Tech is offering massive packages, why mission still wins, and what founders should focus on right now. Thanks for having me youtu.be/DmfVlf1yHb4

On a new Weights & Biases David Cahn breaks down: 🏀 The AI talent wars (think NBA salaries) ⚙️ Why making AI useful matters more than business models 💰 AI's $600B question: How do we turn massive investments into actual revenue? Watch here: youtube.com/watch?v=DmfVlf…

My favorite thing an old OpenAI buddy of mine told me is, whenever he hears that someone is a “great AI researcher”, he just directly spends 5 minutes looking at that person‘s PRs and wandb runs. People can do all kinds of politics and optical shenanigans, but at the end of the

🤖💛 WeaveHacks is the Weights & Biases agents hackathon happening on July 12-13. ​This will be our best event yet. Come build with us 🦾 (See 🧵 for link)

me: mom can we have wandb mom: no, we have wandb at home at home: tensorboard

The AI talent war is making AI labs look more like sports teams, but David Cahn from Sequoia Capital thinks founders are still the most valuable players.

Meet your butler for the weekend: A Unitree G2 Pro robot dog delivering snacks while you hack. And if your agent protocol project (MCP, A2A, ADK) is the best? You’ll take it home. WeaveHacks is here: ⚡ July 12–13, SF 💰 $15K+ in prizes 🐕 Robot dog grand prize Join us! 👇

Hottest event in San Francisco this weekend? Of course, it's the Weights & Biases WeaveHacks! Come by and try to win our awesome RoboDog (who we've named, but you can give it a new name if you win), win a scooter and up to $12K in cash prizes, with judges and sponsors like

NEW: Kimi K2 is now live on W&B Inference by CoreWeave! It's the first truly open challenger, ready for production with no waitlists, no restrictions, and SOTA performance. Here's why we think it's larger than the DeepSeek moment and how to claim $50 in inference credits. 🧵

The team at CoreWeave and W&B is so cracked for this! I've watched this launch happen live! Our inference service launched less than a month ago, and we're already dropping full precision 1T models at impressive speeds! I also have some discretionary credits of my own to give

We've just release 100+ intermediate checkpoints and our training logs from SmolLM3-3B training. We hope this can be useful to the researcher working on mech interpret, training dynamics, RL and other topics :) Training logs: -> Usual training loss (the gap in the loss are due

What are the most useful agent projects out there right now? 👀 Drop them in the thread! — I'm looking to talk to the best ones and support them with resources. 😌

🚨 New Qwen model drop: Qwen3-Coder & Qwen3-2507 are now both live in W&B Inference! (unbeatable prices) Junyang Lin and team really cooked. 🔥 Here's the scoop on these new open SOTA models and how you can get $20 of W&B credits to try them out yourself. 👇

WTF