Agentic AI will transform every enterprise–but only if agents are trusted experts. The key: Evaluation & tuning on specialized, expert data. I’m excited to announce two new products to support this–Snorkel AI Evaluate & Expert Data-as-a-Service–along w/ our $100M Series D! ---

Fun puzzle I heard lately: Can you make 163 with the numbers 4, 5, 6, 10, 10, 10? You have to use each number once and can use +, -, *, / and parens. Can put numbers in any order.

Speaking at AI Engineer at 11:15am (in about 13 hours). Come by and say hi!

I first met Calvin in 2016. Karim and I had just launched Paribus. We weren’t a big company. Our office was my kitchen table. So when an email from a 17-year-old high school dropout landed in my inbox asking for an internship, I skimmed by it. Thankfully, Karim didn’t! -

The new o3 price drop makes it 15x cheaper than gpt-4-32k, the SOTA model from two years ago. Meanwhile the number of use cases is probably up 1,000,000x. Kudos to the openai team!

Joe actually gave me my first job back in 2014. Grateful to still be building together 11 years later!

Slack came out in 2014. At the time it wasn't obvious why you'd want to use it. We already had email for professional conversations; quick group messages felt too unrefined to use at work. Coding agents are at a similar inflection point today. Most engineers are used to writing

It's been great working with the teams at Goldman Sachs. Proud of Devin for landing one of the hardest jobs on Wall Street :)

It’s a privilege to welcome Windsurf to Cognition. Here are more details in the note I sent to our Cognition team this morning: Team, As discussed during our all-hands, we are acquiring Windsurf. We have now signed a definitive agreement and we couldn’t be more excited. Here’s

Claude Sonnet 4 is back via first party support from Anthropic! Available at 2x credits (limited time discount) per request for Pro and Teams users. That’s 250 requests a month!

am i hallucinating or did we just go from "openai acquiring windsurf" to "cog+ws team shipping wave 11" in seven days

DeepWiki just had its biggest week ever. It's now at >2.5 million lifetime users and also recently crossed 1 million MAUs (up 70% compared to the previous month). What should we build next? (If you're interested in working at the intersection of product & research, DMs open)

Jeff is an incredible operator and a caring leader. Honored to get to work together.

A special day. Congrats Alexander Wei - such an incredible result!

MCP is here! You can now give Devin access to your favorite servers via the MCP Marketplace. Think Datadog, Linear, Sentry, Figma, and thousands more. Demos from our team + getting started 👇

Have heard the legends about Prem for years. Turns out he is even more of a rockstar than expected :)

“When it comes to investors/advisors there are +1s, 0s, and -10s. Victor is one of the only +10s I have ever met.” Still remember this advice I got from a friend when I first met Victor. It has proven incredibly true since :)

Qwen3-Coder at ~2000 tokens/sec is now live in Windsurf! ⚡️ Fully hosted on US servers by Cerebras. Video is 1x speed.

People have asked about our culture and recent employee communications. Cognition has an extreme performance culture, and we’re upfront about this in hiring so there are no surprises later. We routinely are at the office through the weekend and do some of our best work late into

We’ve been working closely with the OpenAI team to integrate GPT-5 into Devin. Starting today, you can select a preview version of Devin that uses GPT-5 as part of our agent orchestration. GPT-5 eval results 👇