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SPECIFICTION
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Aider vs JetBrains Junie

Aider

aider.chat

JetBrains Junie

junie.jetbrains.com

Side by side

FigureAiderJetBrains Junie
Price fromFree$8.33/mo
Free planYesYes
Free trial—Yes
Open source——
WebYesYes
WindowsYesYes
macOSYesYes
LinuxYesYes
Self-hostedYes—
Plans published14
Spec score · AI Coding Assistants8.8 (#21)9.2 (#9)
Spec score · AI Code Generators8.8 (#13)8.7 (#21)
Coding agentYesYes
Chat assistanceYesYes
Codebase indexingYesYes
SecurityThe privacy policy says Aider uses physical and electronic safeguards but cannot guarantee the security or privacy of information.The product page says JetBrains tools adhere to security standards including SOC 2 certification.
SupportThe maker points users to documentation, troubleshooting information, and a Discord community.The Junie page links users to a Discord channel, GitHub, a contact form, and a support guide.
Supported IDEsVS CodeIntelliJ IDEA Ultimate,PyCharm Pro,WebStorm,GoLand,IntelliJ IDEA Community,PhpStorm,RubyMine,RustRover,CLion,Rider,Android Studio
Terminal accessYesYes

Plans

Aider

  • AiderFree

Aider pricing →

JetBrains Junie

  • Free to StartFree
  • AI Pro$8.33 a month
  • AI Ultimate$25 a month
  • Junie Lite / BYOKFree

JetBrains Junie pricing →

In their own words

Aider

Aider has no write-up on Specifiction yet; its figures are above.

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JetBrains Junie

JetBrains Junie is a coding agent for work in JetBrains IDEs, a terminal, or headless CI/CD scripts. It offers chat assistance, codebase indexing, terminal access, and agent mode. Advanced Plan Mode lays out requirements, design, and delivery stages before code changes; plans can be edited and committed in.junie/plans. Users can review key actions, and the CLI requests approval for sensitive actions unless brave mode is enabled or an action is allowed. Junie supports models from OpenAI, Anthropic, Google, and xAI, while the CLI can use provider API keys directly. Remote Control lets users monitor asynchronous CLI runs in a web app. Project guidelines, Agent Skills packages, and slash commands shared across CLI and IDE through ACP are also supported. The IDE plugin works with listed JetBrains IDEs and Android Studio. The CLI runs on Linux, macOS, and Windows, though sandbox mode is limited to macOS and Linux. Free to Start is free with five AI credits; paid plans start at $8.33 a month per user.

Visit junie.jetbrains.com