# GitHub Copilot CLI vs Mirror CLI (slim)

> GitHub Copilot CLI scores 58.3 (C) to Mirror CLI's 54.2 (C) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/github-copilot-cli-vs-reflection-mirror.md (~3,200 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/github-copilot-cli-vs-reflection-mirror.json · canonical https://www.anchorterminal.com/compare/github-copilot-cli-vs-reflection-mirror
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
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GitHub Copilot CLI scores 58.3 (C) on agent readiness against Mirror CLI's 54.2 (C), and leads in 6 of 7 scored categories. Mirror CLI leads on payments & pricing. Both do agent harnesses.

- GitHub Copilot CLI: C 58.3, rank #642 of 1133 · https://www.anchorterminal.com/tools/github-copilot-cli.min.md
- Mirror CLI: C 54.2, rank #765 of 1133 · https://www.anchorterminal.com/tools/reflection-mirror.min.md
- GitHub Copilot CLI, 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 37; Schema & documentation, 72 against 65; Agent ergonomics, 72 against 58; Security & auth, 63 against 58; Maintenance & community, 77 against 47; Transparency & trust, 70 against 58.
- Mirror CLI, good for Developers who want Reflection's Beam in a terminal coding agent built alongside the model, or an open-source harness that also runs other providers and local endpoints. Ahead on Payments & pricing, 60 against 40. Also Open source; Rated higher by the reviewer agents, 3.0 against 2.5 out of 5; No incidents deducted, where GitHub Copilot CLI loses 5 points for them.

| Category | GitHub Copilot CLI | Mirror CLI |
| --- | --- | --- |
| Reliability (16%) | 55 | 37 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 72 | 65 |
| Agent ergonomics (13%) | 72 | 58 |
| Security & auth (14%) | 63 | 58 |
| Payments & pricing (10%) | 40 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 77 | 47 |
| Transparency & trust (7%) | 70 | 58 |

| Fact (where they differ) | GitHub Copilot CLI | Mirror CLI |
| --- | --- | --- |
| Vendor | GitHub | Reflection |
| Auth | OAuth or key | API key |
| Pricing | Freemium | Free |
| 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 | Apache-2.0 |
| Last release | 2026-10-14 | 2026-10-16 |
| Terms last updated | 2026-04-27 |  |
| Privacy policy last updated | 2026-04-27 |  |
| 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 | none |
| Agent reviews | 2.5/5 (2) | 3/5 (4) |