Everyone loves comparing Polars performance benchmarks to engines like DuckDB or PySpark, but what about the underlying semantics? At PyData London, Marco Gorelli steps away from the speed debates to analyze how different relational models completely alter code behavior. buff.ly/D0VctlJ

Managing 20+ people isn't sustainable for one person. 📉 Ralf Gommers explains to Greg Downs why the Co-CEO, with Tania Allard model at Quansight, keeps leadership "hands-on" and community-focused. Full clip: buff.ly/ISadKXy #TechLeadership #Scaling #Management #Innovation #OpenSource

free-threaded Python in 2025: 🧵 asyncio: 6x faster with 6 workers 🧵 NumPy arrays: ~1000x faster at scale 🧵 PyTorch inference: 7x lower latency Ralf Gommers keynote covers all of it, including a live SciPy + JAX demo → buff.ly/0DpsLaH #Python #FreethreadedPython #Performance

Stop hunting for your first open source contribution. Let it find you instead. Watch how Marco Gorelli breaks it down:

Open source isn’t self-sustaining; it takes dedicated people and real funding. 🛠️ In our 2025 Annual Report, we share how we’re building a lasting model for OSS stewardship. Read the full story: buff.ly/5LU8Jd8 #OpenSource #PyData #ScientificPython #OSS

Don’t strive to be a manager, strive to be a leader. 💡 Ralf Gommers shares advice that shaped his career and how he became a Co-CEO at Quansight. Watch the full interview with Greg Downs: buff.ly/KIgYgFk #CareerAdvice #DevLife #Management #TechLeadership

Top developers need trust, meaningful work, and space to do what they're best at. Ralf Gommers broke this down with Greg Downs in a way every tech leader needs to hear. Watch the full clip 👇 buff.ly/sVvoxus #TechLeadership #EngineeringLeadership #OpenSource

We are really excited about the new vision for conda. The Quansight team has been helping with the direction of conda for a few years now, whether it's maintenance, feature requests, standards adoption, or new ideas. Check this community blog post by Anaconda’s Dan Yeaw!

Python’s strength is its community! 🐍 Quansight is excited to contribute to a cross-industry push for more flexible Python packaging. Listen to our co-CEO Ralf Gommers discuss WheelNext and wheel variants with Michael Kennedy, Jonathan Dekhtiar, and Charlie Marsh: buff.ly/925qTb4

Small changes, massive speed gains. 🚀 The Array API standard is transforming Python performance, enabling 50x speedups by moving libraries like scikit-learn and SciPy to the GPU. Mateusz Sokół breaks down the latest benchmarks: buff.ly/ycoUlvD #GPUComputing #PythonProgramming #Innovation

2025 was a year of: 🧵 Making Python thread-safe 📦 Revolutionizing packaging ♿ Building accessible tools 🚀 Accelerating sparse computation 🦄 Launching Narwhals ecosystem-wide Our Annual Report tells these community stories. Read it here: buff.ly/vrtlpZt

We've always believed that the best open source work happens when the people building the tools are the same people using them. Ralf Gommers sat down with Greg Downs to talk about how that philosophy shapes everything at Quansight. Watch the full conversation: buff.ly/Q5bWn59

46,500 hours. 35+ open source projects. One community-driven mission. 🌟 The Quansight Annual Report 2025 is officially live! This year’s report celebrates our team, community, and partners who make this work possible. 🔗 Explore the report: buff.ly/KRo5vUN

From local PyData meetups to international conferences, we supported the community throughout 2025. 20+ events. 5 continents. Countless connections. Our Annual Report maps where we've been and where open source is going 🌍 Coming soon.

Open source thrives when we bridge the gap between an advanced research tool and the high school classroom. Jupyter Everywhere is the result of a massive community relay. Agriya Khetarpal details how Quansight collaborated with Skew The Script and CourseKata. Read the journey: buff.ly/cjBNkl5

Sneak peek at what goes into making an annual report: 📋Data gathering 🎨 Design iterations 📊 Data visualization 🖼️ Custom illustrations 📝 Community storytelling Our team has been working hard to make 2025's story beautiful. Can't wait to share it soon 🔜

Want our 2025 Annual Report delivered straight to your inbox? 📬 Subscribe to Quansight Quarterly and be the first to get the full story of our community's impact, technical breakthroughs, and what's next for open source. Sign up today→ buff.ly/WG9caBV #OpenSource #Community

We let our maintainers lead. 🌱 Our sustainable OSS model: 💰 Corporate work generates revenue 🔄 Revenue funds community work ✨ Maintainers choose what matters most Not prescribed from the top. Driven by the people who know their communities best. #OpenSource #Community

From astrophysics simulations to a commit bit on NumPy and PyO3. Nathan Goldbaum's career is proof that unusual paths lead to outsized impact. He just sat down with Lobsters to talk free-threading, burnout, Rust, and what's next for Python. Read the full interview: 👉

Half the ecosystem. Done. 180 of the top 360 PyPI packages now ship free-threaded wheels, a milestone the whole Python community helped reach. The next 50% needs you. 🙌 See how to help in our latest blog by Nathan Goldbaum: buff.ly/GzMmtfy #Python #PyPI #FreethreadedPython #Quansight

Forget the "good first issue" tag. If you've ever hit a cryptic error or a typo in a doc, you’ve already found your first contribution. Learn how to turn your user frustrations into your first pull request. buff.ly/dwVsbqe OpenSource #SoftwareEngineering #Python #Community #TechTips

Scikit-learn just took a leap toward GPU-accelerated machine learning, and the Python community made it happen. 🚀 The latest Quansight blog by Lucy Liu gives the full update: buff.ly/RCcPty1 #ScikitLearn #MachineLearning #OpenSource #Python #GPU #ArrayAPI #DataScience #MLOps

What keeps developers company while they code? For some of us at Quansight: coffee and cats. Lots of cats. 😺☕ What's your coding companion? Let us know in the comments!👇️

The best open source projects happen when industry needs meet community vision. As Ralf Gommers shares, we help connect the two, funding flows to what communities want to build anyway. Everyone wins. That's sustainable open source.🌱 #OpenSource #Community

Transparency is one of our core values. Our upcoming Annual Report tracks our contributions, diversity initiatives, and the health of the projects we steward. Be the first to read it by joining our Quansight Quarterly mailing list: buff.ly/ZeLb3EJ

✅️ Unrestricted funding. ✅️ Volunteer-driven projects. ✅️ Selected by the Quansight team That's the Quansight OSS Fund. This year, we're supporting coverage. py, Sphinx, pkgconf, and LIEF. Read more about why we made this a permanent part of how we operate → labs.quansight.org/blog/oss-fun...

👋 Never joined a Narwhals livestream before? Perfect! Marco Gorelli welcomes newcomers every session. Whether you're just starting with dataframes or you're a seasoned pro, our community has space for you. Starting in half an hour. Come say hi!

44,547 hours. 40+ projects. One mission: sustainable open source. 🚀 Reflecting on 2024 as we prepare our 2025 Annual Report. See what community-driven development looks like:https://buff.ly/9KxNsmP #PyData #OpenSource #Community

🤝Open source thrives on community, and so does Narwhals! Every session with Marco Gorelli is an opportunity to contribute ideas, ask questions, and see your suggestions take shape in the project. You don't need to be an expert - just curious! Join us later today 👉

From snowy Montana to sunrise over Florence - this is where some of the Quansight team start their day. ☕🌍 This is what a distributed team looks like. Brilliant people collaborating to build the future of open source from wherever inspiration strikes. Where are you working from today? 📸

Supporting the volunteer-driven OSS projects that power our ecosystem, nominated and selected by our Quansight team. This year's recipients: coverage. py Sphinx, pkgconf, and LIEF 💛 Read more about how we're supporting these essential projects → buff.ly/NhDdKYt

Better packaging tools → better Python ecosystem → everyone benefits We contribute to conda, conda-forge, PyPA, and related projects. Working on packaging challenges? Let's chat about what might help. buff.ly/7OuDX82

NumPy, Jupyter, conda-forge, stdlib These projects power scientific computing worldwide, but most people don't see the engineering work keeping them healthy. The Quansight Quarterly pulls back the curtain on that work. Subscribe today: buff.ly/6ZFyrGR

After years of collaboration, thousands of commits, and incredible community coordination, NumPy 2.0 shipped smoother than anyone imagined possible in the 2010s. Ralf Gommers celebrates the teams and individuals who made it happen at #PyData Paris 🎉 Watch the full keynote here 🎬

Shoutout to everyone who contributed to pandas 3.0! 🎉 From core devs to documentation writers to everyone testing pre-releases—this is community-built software at its best. Khuyen Tran (CodeCut) & Marco Gorelli (Quansight) explain the impact: 👉 buff.ly/38uufzi #Python #OpenSource

Our packaging team includes: ✦ PSF Board members ✦ Conda Steering Council members ✦ conda-forge Core Team ✦ NumPy/SciPy maintainers Deep community involvement → better solutions for everyone. Interested in how we can help your team? buff.ly/7OuDX82

Marco Gorelli shares a practical guide for data engineers: when translating Polars to SQL, try Narwhals first to avoid LLM hallucinations. Only reach for LLMs when you need features beyond the API, and be specific in your prompts! Read the full analysis: labs.quansight.org/blog/llm_pol...

🏆 Marco Gorelli's article on Narwhals ranked among the top five most-clicked stories on pycoder's weekly. Write your DataFrame logic once, run it anywhere! That's the kind of practical wisdom the community needs. 💡 Great collab between CodeCut and Marco! buff.ly/a5vxaSY

Supporting open source means more than using it. It means investing in maintainers, infrastructure, and sustainability. The Quansight Quarterly documents how we're doing that work alongside communities. Subscribe here: buff.ly/xsl9xxH

From standards to build systems to installers. We contribute across the Python packaging ecosystem. Why? Because solving packaging challenges requires understanding how all the pieces connect. Need help with your packaging stack? Visit: buff.ly/kE05FEz

🔴 LIVE NOW with Marco Gorelli! Our first Narwhals session of 2026 is underway. Jump in and be part of the community building the future of dataframe interoperability!

📅 TOMORROW! First Narwhals session of 2026 Marco Gorelli is back to continue building the compatibility layer that makes dataframe magic happen. Bring your questions, bring your curiosity! buff.ly/RzzVJQh

Python is for everyone, and the Python Software Foundation (PSF) is the organization behind Python, making this possible. 🌍 At Quansight, Python is central to several projects and initiatives, and we’re proud to support the PSF as a Participating Sponsor in 2026! buff.ly/ZpWeXBk

The future of scientific Python isn't built by individuals OR companies OR communities. It's built by all three working together. Ralf Gommers' #PyData Paris keynote is the story of NumPy 2.0, array types, and free-threaded Python, and the collaboration that made them real.

🔴 WE'RE LIVE NOW! Narwhals development session with Marco Gorelli is underway! From compatibility layers to real-world dataframe problems - it's all happening right now. Jump in and join the chat! 🔗 buff.ly/ZjqZdXw #LiveNow #DataFrames #Python

📢 TOMORROW! Narwhals livestream with Marco Gorelli The perfect Friday coding session to wrap up your week. Watch dataframe interoperability being built in real-time, ask questions, and learn from the pro. ⏰ Dec 12, 3-5 PM UTC 🔗 buff.ly/ZjqZdXw #OpenSource #Narwhals

Throwback to Adopt AI - Grand Palais Ralf Gommers represented Quansight at :probabl.'s Probability 1.0 program. He presented on supply chain security over both days & connected with brilliant folks across the Python/AI ecosystem. Open source thrives on communities like these. #Python #Community

The scientific Python community is building amazing things. Stay connected with ecosystem updates, stories from contributors, and what's happening across NumPy, Jupyter, CPython, and beyond. Subscribe to the Quansight Quarterly → quansight.com/subscribe-to...

Get ready, PyData community! Don't miss the deep dive into sparse computing at PyData Global 2025. Mateusz Sokół from Quansight and Willow Ahrens from Georgia Tech are presenting their work on PyData/Sparse and the novel Finch compiler. buff.ly/mT7oUGn

This work brings CEP 16 to conda and shows what collaboration across the community can achieve. Huge thanks to @conda-forge.org, @prefix.dev @quansight.com @quantstack.bsky.social and @anacondainc.bsky.social for making this possible. ❤️