Russell Kaplan
@russelljkaplan
President @cognition_labs. Past: director of engineering @Scale_AI, startup founder, ML scientist @Tesla Autopilot, researcher @StanfordSVL.
Seeing lots of questions like: wait, I thought Windsurf was already acquired? What is Cognition buying? Let me explain. Windsurf the company is an *extraordinary* asset. It was missing its founders and research team, but it has a beloved product, valuable IP, an incredible…
I love seeing teams show resilience. @windsurf_ai made it through all the uncertainty to: 1. Bring back 1st party support for Sonnet 2. Offer one of the best deals with 250 Sonnet 4 requests for just $15 / month Hope the team keeps shipping with @cognition_labs! Competition is…
Claude Sonnet 4 is back via first party support from @AnthropicAI! Available at 2x credits (limited time discount) per request for Pro and Teams users. That’s 250 requests a month!
just found out that since this, i've become a top 50 user of Devin globally, now pushing ~60 PRs a day. AMA
I cannot believe I’ve been sleeping on Devin @cognition_labs — probably the single most impactful thing I’ve purchased for the company
"type with the fury of a thousand devins"
Sitting next to a Databricks engineer on Caltrain who's crushed three Celsius cans, is typing with the fury of a thousand Devins, and has not made eye contact once. This is what dreams are made of
To put it mildly, the past week at Windsurf has been crazy. There have been a lot of different rumors and reports, so I want to share a transparent account of how it actually went down. Before I start, I just want to say that Varun and Douglas were great founders and this…
We are so back
Claude Sonnet 4 is back via first party support from @AnthropicAI! Available at 2x credits (limited time discount) per request for Pro and Teams users. That’s 250 requests a month!
Day One with #Devin Now I understand why @cognition_labs + @windsurf_ai is the way.
Incredibly excited to share that Cognition is acquiring Windsurf. What an insane weekend - from first call after 5pm on Friday to a signed definitive agreement this morning. There’s a lot to build!
Cognition has signed a definitive agreement to acquire Windsurf. The acquisition includes Windsurf’s IP, product, trademark and brand, and strong business. Above all, it includes Windsurf’s world-class people, whom we’re privileged to welcome to our team. We are also honoring…
Devin 🤝 Goldman Sachs
Goldman Sachs has started to introduce Devin alongside its engineers. We're excited to keep working closely with their team to accelerate their software development operations. More from CIO Marco Argenti: cnbc.com/2025/07/11/gol…
We’re excited to introduce Chai-2, a major breakthrough in molecular design. Chai-2 enables zero-shot antibody discovery in a 24-well plate, exceeding previous SOTA by >100x. Thread👇
You can now instantly get DeepWiki’s analysis on any GitHub issue, PR, or commit! Just swap "github" for "deepwiki" in the public URL. More DeepWiki pro tips 🧵👇
Come see me and @RussellJKaplan speak this Wed evening June 18 in Menlo Park. We'll discuss the future of AI, @Cognition_labs, @Neo, & more Register: techcrunch.com/events/strictl… @StrictlyVC @TechCrunch I hope to see you there!
I see a lot of people make the same mistakes building agents. So we shared a few of the principles we use cognition.ai/blog/dont-buil…
If you give your AI agent a clear path to promotion, they will work better. It's science.
Friend who is a doctor told me everyone in his hospital uses ChatGPT now. Me: “Do you all use o3?” Him: “No, 4o. Isn’t it best to use the latest model? 4 vs 3?” @OpenAI we really gotta fix these model names 🤦♂️
How DeepWiki works under the hood, in 2 minutes 📹 For more details on how we build Devin, check out @russelljkaplan's full talk at @LangChainAI Interrupt 🔗👇
The DeepWiki MCP server is live! How to use it + what’s inside 🧵👇