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A paired A/B benchmark of the token-compression skill Caveman on Claude Code, run on SkillsBench: does it actually save tokens, and does it degrade AI agent output quality? Advertised saving: 65%. Measured saving: 8.5%. Output-token saving on real agentic tasks, with the skill forcibly activat…

Born out of a deep partnership between JetBrains and GitHub, this integration makes Copilot native in the agent picker and delivers a more stable agent experience directly in the IDE you already use every day. From ACP Registry to native experience Copilot was previously accessible via the…

443 developers applied. 39 projects shipped. Here's a deepdive on the finalists and their projects presented at the JetBrains X Codex Hackathon in San Francisco.

443 developers applied. 39 projects shipped. Here's a sneak peak at everything that went down at the JetBrains X Codex Hackathon in San Francisco.

Cursor is now available as an AI agent inside JetBrains IDEs through the Agent Client Protocol.

Together with Zed, we've launched the official ACP Registry: a directory of AI coding agents, integrated directly into JetBrains IDEs.

Hey! Here at JetBrains, we're always happy to bring our users the best and most popular tools available on the market. This has been true for decades with conventional dev tooling: compilers, debuggers, build tools, etc; in the past several years, we've shipped all the newest LLMs in the same man…

JetBrains AI Assistant just got a major upgrade, giving you smarter completions, better project understanding, and more control over how AI works in your IDE.

This summer, we're making Mellum, our code completion model, easier for developers to use locally, and we’re introducing support for more languages than ever.

Illustration of a developer working with AI agents on a laptop, surrounded by code and chat windows.

AI agents are already in your tools—now it’s time to understand them. Learn to build and work with them responsibly in this free course by JetBrains and Nebius.

JetBrains Academy plugin showing in-IDE AI hints for code improvement in Kotlin and Python.

AI hints in JetBrains Academy plugin now guide Python and Kotlin learners with smart code suggestions in the IDE. Learn faster, get unstuck, and stay focused.

JetBrains AI Assistant has received a major upgrade, making AI-powered development more accessible and efficient.

JetBrains AI

AI Assistant

Does Speaking to Agents Like Cavemen Really Save 65% of Tokens? We Test

GitHub Copilot now an Integrated Agent in JetBrains IDEs

Meet the Finalists: JetBrains x Codex Hackathon

Building the Future of IDEs: Inside the First JetBrains Codex Hackathon

Cursor Joined the ACP Registry and Is Now Live in Your JetBrains IDE

ACP Agent Registry Is Live: Find and Connect AI Coding Agents in Your JetBrains IDE

Bring your own AI agent to JetBrains IDEs

JetBrains AI Assistant Update: Better Context, Greater Offline Flexibility, Deeper IDE Integration

What’s New with Mellum: Expanded Language Support and New Ways to Use it Locally

Why AI Agents as Your Team Should Be Your Next Learning Move

AI-Powered Learning, Part 2: Get Unstuck With AI Hints in Python and Kotlin Tasks

JetBrains AI Assistant: Smarter, More Capable, and a New Free Tier