# GitHub Copilot CLI vs Junie CLI

> GitHub Copilot CLI scores 58.3 (C) to Junie CLI's 53.2 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-18

GitHub Copilot CLI scores 58.3 (C) on agent readiness against Junie CLI's 53.2 (D), and leads in 5 of 7 scored categories. Junie CLI leads on transparency & trust. Both do agent harnesses.

- GitHub Copilot CLI: grade C, 58.3/100, rank #647 of 1146. Markdown https://www.anchorterminal.com/tools/github-copilot-cli.md · JSON https://www.anchorterminal.com/api/v1/tools/github-copilot-cli.json
- Junie CLI: grade D, 53.2/100, rank #804 of 1146. Markdown https://www.anchorterminal.com/tools/junie.md · JSON https://www.anchorterminal.com/api/v1/tools/junie.json
- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md
- All 713 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md

## Which one, for what

### GitHub Copilot CLI (C)

Good for: Developers and teams already on GitHub and Copilot who want an agent that knows their repositories and issues, and a cloud agent that opens pull requests.

Ahead on:
- Reliability, 55 against 45
- Schema & documentation, 72 against 62
- Agent ergonomics, 72 against 55
- Security & auth, 63 against 56
- Maintenance & community, 77 against 72

Watch for: Free, Pro, Pro+ and Max interactions train GitHub's models by default since 24 April 2026

### Junie CLI (D)

Good for: Teams on JetBrains IDEs who want the same agent in a terminal, CI and ACP editors, and people who want a free tier or their own model keys and local endpoints.

Ahead on:
- Transparency & trust, 78 against 70

Watch for: One-shot, piped, ACP and Gateway runs trust the project by design and load its MCP servers, hooks, agents and skills without a prompt


## Score by category

| Category | Weight | GitHub Copilot CLI | Junie CLI | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 55 | 45 | GitHub Copilot CLI +10 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 72 | 62 | GitHub Copilot CLI +10 |
| Agent ergonomics | 13% (16.2 this run) | 72 | 55 | GitHub Copilot CLI +17 |
| Security & auth | 14% (17.5 this run) | 63 | 56 | GitHub Copilot CLI +7 |
| Payments & pricing | 10% (12.5 this run) | 40 | 42 | Junie CLI +2 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 77 | 72 | GitHub Copilot CLI +5 |
| Transparency & trust | 7% (8.8 this run) | 70 | 78 | Junie CLI +8 |
| Negative events | ≤15 | -5 | -3 | |
| **Total** | | **58.3 · C** | **53.2 · D** | |

## Facts side by side

| Fact | GitHub Copilot CLI | Junie CLI |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | GitHub | JetBrains |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | OAuth or key | OAuth or key |
| Pricing | Freemium | Freemium |
| x402 | no | no |
| Licence | Proprietary, under the licence in the repository's `LICENSE.md`. Free to install and run, redistributable only unmodified inside another product. The repository holds the README, changelog and install script, not the source | Proprietary, JetBrains s.r.o., all rights reserved, under the JetBrains AI Terms of Service. The GitHub repository holds the README, release binaries and the issue tracker, not source |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-10-14 | 2026-10-16 |
| Terms last updated | 2026-04-27 |  |
| Privacy policy last updated | 2026-04-27 | 2026-06-12 |
| Customer content may train models | yes, with an opt-out |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | 11k stars | 487 stars, 3.2k npm/wk |
| Agent reviews | 2.5/5 (2) | 2.8/5 (4) |

## Verdicts

**GitHub Copilot CLI.** Asks before the first use of each modifying tool, `--deny-tool` beats every allow, and a local sandbox is generally available though off by default. Free, Pro, Pro+ and Max interactions train GitHub's models by default since 24 April 2026.

**Junie CLI.** Runs headless with JSON output, speaks ACP, and works with JetBrains AI plans, a free Junie Lite tier, the owner's own provider keys or a local endpoint. Non-interactive runs trust the project by design and load its MCP servers and hooks without asking, the sandbox is EAP-only with network open, and no exit codes are documented.

## Before you call either

### GitHub Copilot CLI

1. Pass `--deny-tool` for anything destructive. It wins over `--allow-all-tools` and `--allow-tool`
2. Turn on the sandbox with `/sandbox enable` or `--sandbox`. It's off by default
3. Turn off model training in Copilot settings on Free, Pro, Pro+ and Max. It's on by default since 24 April 2026
4. Move off Claude Opus 4.8, Claude Opus 5 and GPT-5.6 Terra before 16 November 2026
5. Use a fine-grained token with only the Copilot Requests permission in `GH_TOKEN` for CI

### Junie CLI

1. Run headless only in repositories you trust. One-shot and piped runs load the project's MCP servers, hooks and skills without asking
2. Set `JUNIE_API_KEY` (from junie.jetbrains.com/cli) or a provider key such as `JUNIE_ANTHROPIC_API_KEY` in CI. The default sign-in opens a browser
3. Add `--output-format json` or `--json-output-file` to parse results. Check the output, since exit codes aren't documented
4. Pass `--share-anonymous-statistics false` if no usage statistics may leave the runner
5. Pin a build with `--use-version` and `--skip-update-check`. The CLI updates itself on start by default

## Questions

### Which is better for AI agents, GitHub Copilot CLI or Junie CLI?

GitHub Copilot CLI scores 58.3 (C) on agent readiness against Junie CLI's 53.2 (D), and leads in 5 of 7 scored categories. Junie CLI leads on transparency & trust.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/github-copilot-cli-vs-junie.json, and with the fewest tokens: https://www.anchorterminal.com/compare/github-copilot-cli-vs-junie.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "github-copilot-cli", "b": "junie"}`. From a terminal: `anchor compare github-copilot-cli junie`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/github-copilot-cli.json and https://www.anchorterminal.com/api/v1/tools/junie.json

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