Meet Mellum2.1 – JetBrains' open-source 12B MoE model built for coding agents and local execution. 🚀 140+ T/S in local testing scenarios 🇪🇺 Ethically trained European open model 💻 Efficient worker model inside IDE agent workflows Try it locally:

Free, fast, and private agentic coding inside PyCharm? JetBrains Air is live in PyCharm 2026.3 EAP 4, and you can test it for free with Junie Lite – simply sign in with your JetBrains Account. No paid AI subscription required! 🤖 Powered by open-weights Qwen 3.6 27B + JetBrains code intelligence 🔒 Private by design – your code is never used for training ⚡ Perfect for routine tasks, boilerplate, and test generation in Air.

Python on the outside, Rust on the inside 🐍🦀 With the official Rust plugin in PyCharm 2026.2, you no longer have to switch IDEs to write high-performance Rust extensions. ⚡ Speed up Python hot loops by rewriting bottleneck code in Rust 🔄 Toggle between related Python and Rust files using gutter icons 🐛 Run and debug Rust code directly inside PyCharm.

Want to build an agentic development setup that’s faster, cheaper, and local-first? ⚡ Today, @AndrewYNg and @jetbrains' @paulweveritt released a new course exploring modern AI agent engineering with PyCharm and open-weight models. You'll learn how to: 🧠 Build specialized subagents ⚡ Use the "big brain, little brain" approach with cheaper models 📊 Measure cost, latency, and quality as your architecture evolves 🌐 Configure OpenCode + OpenRouter with models like DeepSeek V4 Pro 💻 Transition from cloud inference to fully local AI using LM Studio and Gemma 4 12B Rather than focusing on one framework, the course teaches engineering principles you can apply as the AI landscape continues to evolve. If you're interested in hybrid or local AI workflows, this is a great place to start. Learn more: #PyCharm# #AI# #LLMs# #OpenSourceAI# #DeepLearningAI# #AndrewNg# #Python#