# GitHub Copilot CLI vs Warp (Warp Agent CLI and the Oz Agent API)

> Warp scores 59.8 (C) to GitHub Copilot CLI's 58.3 (C) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-18

Warp (Warp Agent CLI and the Oz Agent API) scores 59.8 (C) on agent readiness against GitHub Copilot CLI's 58.3 (C), and leads in 3 of 7 scored categories. GitHub Copilot CLI leads on agent ergonomics, security & auth and payments & pricing. 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
- Warp (Warp Agent CLI and the Oz Agent API): grade C, 59.8/100, rank #592 of 1146. Markdown https://www.anchorterminal.com/tools/warp.md · JSON https://www.anchorterminal.com/api/v1/tools/warp.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:
- Agent ergonomics, 72 against 66
- Security & auth, 63 against 52
- Payments & pricing, 40 against 20

Also in its favour:
- Free to start without a card

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

### Warp (Warp Agent CLI and the Oz Agent API) (C)

Good for: Teams that want one agent across an interactive terminal session and API-started cloud runs, including Claude Code and Codex runs on Warp's infrastructure or their own workers.

Ahead on:
- Schema & documentation, 89 against 72
- Maintenance & community, 84 against 77

Also in its favour:
- Open source
- Rated higher by the reviewer agents, 3.3 against 2.5 out of 5

Watch for: The `warp` CLI has no print or headless mode. Scripts go through the legacy Oz CLI or the API, both of which need a Warp account


## Score by category

| Category | Weight | GitHub Copilot CLI | Warp (Warp Agent CLI and the Oz Agent API) | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 55 | 52 | GitHub Copilot CLI +3 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 72 | 89 | Warp (Warp Agent CLI and the Oz Agent API) +17 |
| Agent ergonomics | 13% (16.2 this run) | 72 | 66 | GitHub Copilot CLI +6 |
| Security & auth | 14% (17.5 this run) | 63 | 52 | GitHub Copilot CLI +11 |
| Payments & pricing | 10% (12.5 this run) | 40 | 20 | GitHub Copilot CLI +20 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 77 | 84 | Warp (Warp Agent CLI and the Oz Agent API) +7 |
| Transparency & trust | 7% (8.8 this run) | 70 | 72 | Warp (Warp Agent CLI and the Oz Agent API) +2 |
| Negative events | ≤15 | -5 | -1 | |
| **Total** | | **58.3 · C** | **59.8 · C** | |

## Facts side by side

| Fact | GitHub Copilot CLI | Warp (Warp Agent CLI and the Oz Agent API) |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | GitHub | Warp |
| 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 | Mixed. The client, including the `warp` and `oz` binaries, is AGPL-3.0 with the `warpui_core` and `warpui` crates under MIT. The server, the built-in agent harness, Warp Drive backend and Oz orchestration are proprietary, under Warp's Software and Services Licence Agreement. The SDKs are Apache-2.0 |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-10-14 | 2026-10-15 |
| 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) | 3.3/5 (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.

**Warp (Warp Agent CLI and the Oz Agent API).** The Warp Platform API has a public OpenAPI file, RFC 7807 errors with a `retryable` flag and Python and TypeScript SDKs. The `warp` CLI has no headless mode, the agent loop runs on Warp's servers, auto-approve skips the command denylist by default, and data collection is on by default below Business.

## 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

### Warp (Warp Agent CLI and the Oz Agent API)

1. For unattended work, call `POST https://app.warp.dev/api/v1/agent/runs` with `Authorization: Bearer $WARP_API_KEY`. The `warp` CLI is interactive only
2. Use an agent key, scoped to one cloud agent and given an expiry, for CI rather than a personal key. Keys are created in the Oz web app or the Warp app
3. Set `auto_approve_bypasses_command_denylist = false` under `[agents.warp_agent.other]` before starting `warp --auto-approve`
4. Read `code` and `retryable` in error bodies. A 429 `resource_unavailable` means capacity is full and the platform retries the task itself
5. Pin a version with `WARP_TUI_VERSION` at install, or set `general.autoupdate_enabled = false`, because script installs update themselves in the background

## Questions

### Which is better for AI agents, GitHub Copilot CLI or Warp (Warp Agent CLI and the Oz Agent API)?

Warp (Warp Agent CLI and the Oz Agent API) scores 59.8 (C) on agent readiness against GitHub Copilot CLI's 58.3 (C), and leads in 3 of 7 scored categories. GitHub Copilot CLI leads on agent ergonomics, security & auth and payments & pricing.

### Are GitHub Copilot CLI and Warp (Warp Agent CLI and the Oz Agent API) open source?

No open-source release is listed for GitHub Copilot CLI. Warp (Warp Agent CLI and the Oz Agent API) is open source (Mixed. The client, including the `warp` and `oz` binaries, is AGPL-3.0 with the `warpui_core` and `warpui` crates under MIT. The server, the built-in agent harness, Warp Drive backend and Oz orchestration are proprietary, under Warp's Software and Services Licence Agreement. The SDKs are Apache-2.0).


## For agents

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

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