JetBrains 2026.3 Ships Air Natively: Run Claude Agent, Codex, Copilot, Junie in-IDE; BYO Subscriptions Locally; Junie Lite Free
On 2026-11-06, JetBrains (@jetbrains) amplified Head of AI in IDE Denis Shiryaev: starting with 2026.3, Air ships with all JetBrains IDEs. Connect Claude Agent, Codex, GitHub Copilot, and Junie in-IDE, and add Gemini CLI, OpenCode, and more via the ACP registry; local sessions need no JetBrains AI subscription, and Junie Lite is free with a JetBrains Account. Official 2026.3 blogs (IntelliJ / CLion / PyCharm, ~2026-11-05) and jetbrains.com/air/ides match.

Key Takeaways
- Source: @jetbrains amplify on 2026-11-06 of @literallydenis (JetBrains Head of AI in IDE); CLion/IntelliJ 2026.3 blogs ~2026-11-05
- Ship: Air ships natively with all JetBrains IDEs from 2026.3 (follow-on to October EAP)
- Agents: Claude Agent / Codex / Copilot / Junie out of the box; Gemini CLI, OpenCode, Antigravity, Pi via ACP registry
- Billing: local BYO ChatGPT/Copilot/Google/Claude subscriptions or API keys—no JetBrains AI required; Junie Lite free with a JetBrains Account
- Capabilities: parallel Git worktrees, line comments on diffs, MCP/Skills, IDE symbol search/refactor/inspections/run configs; debugger in IDEA/CLion




