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Faster Python: Unlocking the Python Global Interpreter Lock | The PyCharm Blog Take a first look at true multithreading in Python 3.13 with the no-GIL option. Learn why it matters and compare performance with and without the GIL (Global Interpreter Lock).

One thread at a time? 🚫 Now there’s a better way.

Python 3.13 introduces an experimental no-GIL option, unlocking the potential for true multithreading.

🔍 Get a first look at our plan to remove the GIL, and see the performance benchmarks in this blog post by Cheuk Ting Ho: 🔗 jb.gg/79ypq7 🔗

Been waiting for GPT-5 to arrive?

It’s here – now integrated into PyCharm through the Junie coding agent and AI Assistant, giving you:

✨ Up to 2× better code quality
🧠 Smarter, more context-aware assistance

Learn more about the update and be the first to try it in PyCharm!

New in PyCharm 2025.2: the AI Playground.

Test, compare, and debug prompts across multiple LLMs – including your own local models.

✨ Tweak model settings
🎭 Run creative prompt experiments

🎥 Watch here: jb.gg/vqte7p

#AI #LLM #PromptEngineering #AIPlayground

Live Webinar -

Join us today to master uv, the lightning-fast Python package manager ⚡

🎙️ @mkennedy.codes + @wsvincent.bsky.social
🕚 11 am EST / 3 pm UTC
🔗 Tune in: jb.gg/zxxskk

#Python #uvpm #DevTools

Introducing the AI Toolkit! Everything AI engineers need – now natively supported in PyCharm.

🧪 AI Playground: experiment with prompts, compare model outputs, and fine-tune parameters.
🕵️ AI Agent Debugger: debug, inspect, and optimize agent-based AI systems.

👉 Get started now: jb.gg/fr657b

🚀 PyCharm 2025.2 introduces an AI Toolkit for AI engineers.

✨ Release highlights:

🤖 AI Playground and AI Agents Debugger
🛠 Improvements to Junie, AI Assistant, Jupyter notebooks, and more
🔄 The last supported version of PyCharm Community Edition

Check it out 👉 jb.gg/wgn4tp

Managing large dependency trees?

uv is a Rust-powered pip replacement that is 100x faster.

Join the livestream for a live demo and migration tips!

📅 Aug 7, 11 am EST / 3 pm UTC
🎙️ @mkennedy.codes @wsvincent.bsky.social
🔗 jb.gg/zxxskk

#Python #uv #DevTools

Python’s GIL has long been a performance bottleneck. But with the experimental no-GIL option in Python 3.13, that could change. 🚀 Learn more from @cheuk.dev:

✔️ Why GIL exists
✔️ How multiprocessing works around it
✔️ How it's being removed
✔️ GIL vs. no-GIL performance

👉 Read now: jb.gg/79ypq7

🎬 The premiere date is set – “Python: The Documentary” is coming on August 28!

Mark your calendar. Text your friends.

🎥 This is the Cult.Repo documentary you don’t want to miss.

Proudly supported by PyCharm.

We had a great time at #EuroPython, where we met many brilliant Python developers 🐍

Every conversation reminded us why the Python community is so special 💛

Thanks to everyone who stopped by our booth to chat, share feedback, and talk Python with us. See you at the next one!

Are you at #EuroPython? So are we! 😊

Stop by the PyCharm booth to chat with us, check out some demos, grab a few goodies, or just drop by to say “hi” 👋

🎥 Watch this video with Kristel to get the vibe!

📣 Calling all EuroPython attendees!

Catch the exclusive preview of the Cult.Repo Python documentary – proudly supported by PyCharm 🎥 Be among the first to see it and hear from the people who shaped the language.

Django key components

New to Django? 🐍 Learn what makes this Python framework ideal for building apps.

🔍 Explore its core components, MVT architecture, and a bit of history.
💻 Start your first project easily with PyCharm.

🔗 jb.gg/e1yjik 🔗

What stood out to you at #PyConUS 2025?

For us, it was hearing firsthand about the future of Python packaging. uv is fast, modern, and built with Python developers in mind.

The best part? PyCharm supports uv natively, so you can manage uv projects from your IDE.

Watch the interview: jb.gg/f974z1

What Is the Django Web Framework?

🔧 What is Django? A Python web framework for building scalable, secure apps – fast.

🚀 Why use it?
✔️ Built-in tools
✔️ Clean structure
✔️ Flexible + scalable
✔️ Trusted by Instagram, Pinterest, and Disqus

📚 Learn Django and set up your first project: jb.gg/e1yjik

What if you could fine-tune LLMs like Mistral-7B without the complex cloud configs?

With JetBrains Cadence in PyCharm, you can. No DevOps. No stress.

🚀 Cloud execution
💸 Real-time cost tracking
🔁 Reproducible runs

Watch the full tutorial and see Cadence in action: jb.gg/3rotat

#PyConUS 2025 was an absolute blast! 🎉

We loved being part of the amazing #Python community, exchanging ideas, and showcasing the latest AI features in PyCharm.

🎥 Catch the video recap and feel the energy!

How was your experience? Let us know in the comments! ✨

Training Your ML Models With Cadence | The PyCharm Blog Explore JetBrains Cadence, a plugin that merges the ease of local development with advanced cloud computing capabilities.

🌟 Harness the power of cloud computing directly within your IDE with Cadence and enhance your #MachineLearning workflows.

🚀 Enjoy seamless integration with #PyCharm and try it for free with a USD 30 credit!

🔗 Learn more: jb.gg/tymmwc

Curious about what's next for #uv?

We caught up with @zanieb.bsky.social and @hynek.me to get the scoop straight from an Astral team member and a PSF Fellow.

💡Did you know? PyCharm introduced native uv support, so managing your uv projects just got easier.

🎥 Watch the full interview: jb.gg/f974z1

Multithreading in Python isn’t real? Let’s clear that up.

🔄 Concurrency vs. multithreading
🧠 When to use `async/await` vs. `threading`
🐞 How to debug concurrent code

Read the blog post with code examples by Cheuk Ting Ho: 🔗
jb.gg/6yvylj 🔗

Tired of messy cloud configs for ML?

With JetBrains Cadence in PyCharm, we fine-tuned Mistral-7B straight from the IDE – no complicated cloud configurations or stress necessary.

🎥 See how seamless training and fine-tuning your models can be: jb.gg/3rotat

Developer Ecosystem Survey 2025 Take our survey, shape the future, and seize the chance to win a MacBook Pro or other rewards!

Time is running out to participate in the Developer Ecosystem Survey from @jetbrains.com.

Tell us about your development experience for the chance to win exciting prizes. 💻🎁

🔗 surveys.jetbrains.com/s3/sm-develo... 🔗

PyCharm 2025.1.2 is out! 🚀 Now you can:

✅ Run uv projects with a dedicated run configuration
✍️ Drag and drop cells in Jupyter Notebooks
🔄 Choose an interpreter for Jupyter, with more options than just Conda!

⬇️ Download it today: jb.gg/5as7wv

Want to make your Python code faster? 🏎️

Learn the difference between `async/await` and `threading`, and when to use which.

Read the blog post by @cheuk.dev for a deep dive into concurrency in Python: 🔗 jb.gg/6yvylj 🔗

🎉 We loved having the @pyladiesams.bsky.social meetup on #Dapr and #AIAgents at the JetBrains office!

Dana Arsovska and Marc Duiker showed Dapr in action – from core concepts to building AI agents.

💜 PyCharm is proud to partner with a community built on learning, sharing, and support.

Check out @wsvincent.bsky.social's recap of #PyConUS 2025! 🐍 From connecting at the PyCharm booth to exploring Pittsburgh, he reflects on his first in-person #PyCon since 2019.

Full story here: wsvincent.com/pyconus-recap/ #Python

🎞️ A language that changed the world. A story that’s never been told like this before.

Discover how Python became one of the most beloved programming languages.

Watch the trailer for the upcoming @cultrepo.bsky.social documentary – proudly supported by PyCharm: jb.gg/zjkz9s

Smiles, swag, and Python spirit 🐍

We’re happy to be part of the coolest #Python community at #PyConUS 2025!

🎬 The Python documentary is coming soon – and the trailer is out now!

Get a first look at the film that traces Python’s journey from side project to global phenomenon.

We’re excited to have contributed to this story alongside Guido van Rossum, Paul Everitt, and many others.

t-strings in Python (PEP 750) Python has many string formatting styles which have been added to the language over the years. Early Python used the % operator to injected formatted values into strings. And we have string.format() w...

Python string formatting is evolving with t-strings – secure, structured syntax for advanced use cases like SQL, HTML, and DSLs.

Paul Everitt, David Peck, and Jim Baker join @talkpython.fm to explore the latest Python developments.

🎧 Listen to the episode: jb.gg/v3al4p