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Junie CLI vs Claude Code (2026): which coding agent should you use?

Junie CLI vs Claude Code: JetBrains' model-agnostic agent vs Anthropic's own. Models, prices, your own keys, local models, IDEs, CI and when to use each.

Casper Apers5 min readFacts checked November 9, 2026

Short answer: Claude Code is Anthropic's agent and runs Claude models only, on a Claude plan; with Opus 5.5 it tops the independent Terminal-Bench 4.0. Junie CLI is JetBrains' agent and runs almost any model: through a JetBrains AI plan, on your own key from OpenAI, Anthropic, Google, xAI, OpenRouter or GitHub Copilot, or on a local model. Pick Claude Code for the strongest Claude results and the bigger set of tools around it; pick Junie if you live in JetBrains IDEs, want to choose the model per task, or want to pay the provider directly.

I build Morphy, which runs both as chats side by side, so read this with that in mind. Everything here is from JetBrains' and Anthropic's own pages, checked on November 9, 2026.

Junie CLI vs Claude Code at a glance

Junie CLIClaude Code
Made byJetBrainsAnthropic
ModelsClaude, GPT, Gemini, Grok and more; local models through Ollama or LM StudioClaude only
How you payA JetBrains AI plan (AI credits), a Junie API key (by usage), or your own provider key at the provider's priceA Claude plan (Pro $20 a month, or $17 billed yearly; Max $100; Ultra $200) or an Anthropic API key
Free optionJunie Lite, a free model in every JetBrains accountNone: Claude's free plan doesn't include Claude Code
Where it runsTerminal, JetBrains IDEs, CITerminal, VS Code and JetBrains, the Claude desktop app, the web and your phone
Project instructionsAGENTS.md (or .junie/AGENTS.md)CLAUDE.md, and AGENTS.md when there's no CLAUDE.md
Plan firstPlan mode: read-only analysis and a design document; plans saved in .junie/plansPlan mode (Shift+Tab)
MCP and skillsYesYes, plus plugins, hooks and subagents
SandboxExperimental, macOS and LinuxYes, with WSL2 on Windows

What is Junie CLI?

Junie started as the agent inside JetBrains' IDEs; Junie CLI, in beta since March 2026, is the same agent on its own, in your terminal, in any editor and in CI. JetBrains calls it "the most cost efficient coding agent".

  • Any model. Sign in with your JetBrains account to use the models in your JetBrains AI plan, among them Claude Opus 5.5 and Sonnet 5.5, Gemini 4 Argon and 3.8 Flash, GPT-6 models and Grok 4.7. Or bring your own key from OpenAI, Anthropic, Google, xAI, OpenRouter or GitHub Copilot ("provider-rate pricing, zero markup"), or point it at LiteLLM, Ollama or LM Studio.
  • Plans you can commit. Plan mode looks through the code without changing it and writes a design document first; plans live in .junie/plans, so they can go into git. You can steer it while it works.
  • Guidelines and skills. Junie reads AGENTS.md (or .junie/AGENTS.md, or its older .junie/guidelines.md), plus a global one in your home folder, and supports Agent Skills and MCP servers.
  • CI. junie --auth="$JUNIE_API_KEY" "…" runs it without the interactive screen, with a token from junie.jetbrains.com/cli.

Install it with one line:

curl -fsSL https://junie.jetbrains.com/install.sh | bash
powershell -NoProfile -ExecutionPolicy Bypass -Command "iex (irm 'https://junie.jetbrains.com/install.ps1')"

What does Junie cost?

Every JetBrains account gets Junie Lite, a free model that's always on. JetBrains' Junie page lists AI Pro at $8.33 a user a month with 10 AI credits per 30 days, and AI Ultimate, which it recommends for Junie, at $25 with 35 credits. With your own key, you pay your provider and nothing to JetBrains.

What is Claude Code?

Anthropic's own agent, in the terminal, in VS Code and JetBrains IDEs, in the Claude desktop app, and on the web and your phone. It runs Claude models only, but it's the agent built around them: on Terminal-Bench 4.0, Claude Code with Opus 5.5 leads the official leaderboard. Around it: skills, plugins, hooks, subagents, agent teams, worktrees, agent view for background sessions, cloud sessions and Remote Control from your phone.

It needs a Claude plan (Pro, $20 a month or $17 billed yearly; Max, $100; Ultra, $200) or an Anthropic API key. More in Codex vs Claude Code, Claude Code's usage limits and the best Claude Code alternatives.

Which should you use?

  • You already pay for Claude and want the best results with it: Claude Code. It's built around Claude, and its tools (subagents, worktrees, agent view, the desktop app) go further.
  • You work in IntelliJ, PyCharm or another JetBrains IDE: Junie, which is at home there and in the terminal.
  • You want to pick the model per task, or try open models: Junie, with your own keys or a local model.
  • You want to try a coding agent for free: Junie Lite. Claude Code has no free option.
  • You run agents in CI: both can; Junie's headless mode takes one flag and a token.

Can you use both?

Yes, and they get along. Both read AGENTS.md, so one instructions file serves both. Junie can even run Claude models, through a JetBrains AI plan or your own Anthropic key, though Claude Code is the agent Anthropic builds for them.

In Morphy, a Junie chat and a Claude Code chat can work on the same project side by side, each on its own sign-in or key, and a conversation can move from one AI to another. See Connect your AI.

Questions

Is Junie better than Claude Code? For Claude models and the tools around them, Claude Code is the stronger pick. Junie's strengths are choice (any model, your own keys, local models), JetBrains IDEs, and a free model to start with.

Is Junie CLI free? It has a free model, Junie Lite, in every JetBrains account. For more, you need a JetBrains AI plan, a Junie API key, or your own provider key.

Can Junie use Claude? Yes: Claude Opus 5.5 and Sonnet 5.5 are among its models, through a JetBrains AI plan or your own Anthropic key.

Does Junie read CLAUDE.md? It reads AGENTS.md. Keep your instructions there and both agents read them (Claude Code reads AGENTS.md when a project has no CLAUDE.md).

Junie or OpenCode? Both are model-agnostic terminal agents. OpenCode is open source with free models of its own; Junie is JetBrains', with its IDE integration and plans you can commit. More in the Claude Code alternatives.

Comparisons in this series

References

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