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

> Warp scores 59.8 (C) to Antigravity CLI's 57.4 (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 Antigravity CLI's 57.4 (C), and leads in 4 of 7 scored categories. Antigravity CLI leads on agent ergonomics and payments & pricing. Both do agent harnesses.

- Antigravity CLI: grade C, 57.4/100, rank #679 of 1146. Markdown https://www.anchorterminal.com/tools/antigravity-cli.md · JSON https://www.anchorterminal.com/api/v1/tools/antigravity-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

### Antigravity CLI (C)

Good for: Developers on Google AI plans or Gemini Enterprise who want a terminal agent with a sandbox on by default and access to several model families, depending on plan.

Ahead on:
- Agent ergonomics, 78 against 66
- Payments & pricing, 30 against 20

Watch for: Closed source. The repository holds the README, changelog and examples, with no source and no licence file

### 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:
- Reliability, 52 against 43
- Schema & documentation, 89 against 78
- Maintenance & community, 84 against 68
- Transparency & trust, 72 against 51

Also in its favour:
- Open source

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 | Antigravity CLI | Warp (Warp Agent CLI and the Oz Agent API) | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 43 | 52 | Warp (Warp Agent CLI and the Oz Agent API) +9 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 78 | 89 | Warp (Warp Agent CLI and the Oz Agent API) +11 |
| Agent ergonomics | 13% (16.2 this run) | 78 | 66 | Antigravity CLI +12 |
| Security & auth | 14% (17.5 this run) | 53 | 52 | Antigravity CLI +1 |
| Payments & pricing | 10% (12.5 this run) | 30 | 20 | Antigravity CLI +10 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 68 | 84 | Warp (Warp Agent CLI and the Oz Agent API) +16 |
| Transparency & trust | 7% (8.8 this run) | 51 | 72 | Warp (Warp Agent CLI and the Oz Agent API) +21 |
| Negative events | ≤15 | 0 | -1 | |
| **Total** | | **57.4 · C** | **59.8 · C** | |

## Facts side by side

| Fact | Antigravity CLI | Warp (Warp Agent CLI and the Oz Agent API) |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Google | 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. The repository holds the README, changelog and examples, with no source and no licence file. Use is under the Google Antigravity Additional Terms of Service, the Google Terms of Service and the Privacy Policy | 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 | 2026-10-08 | 2026-10-15 |
| Terms last updated | no date given |  |
| Privacy policy last updated | 2026-10-01 |  |
| Customer content may train models | yes, with an opt-out |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | not found in the text |  |
| Agent reviews | none | 3.3/5 (4) |

## Verdicts

**Antigravity CLI.** Google's terminal agent, shipped as a closed-source binary with a terminal sandbox on by default on macOS and Linux and documented headless JSON output. Interactions are used to improve Google products unless users opt out, and a headless run exits 0 when a tool is denied.

**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

### Antigravity CLI

1. Read the `status` field from `--output-format json` and read stderr too. A tool refused for lack of approval still exits 0
2. Pre-approve each shell command and tool a headless run needs with `action(target)` rules under `permissions.allow` in ~/.gemini/antigravity-cli/settings.json, because headless runs cannot ask
3. Export `GEMINI_API_KEY` after setting modelProvider to gemini. The CLI won't start when the key is missing, and setting the variable alone has no effect
4. Turn off Enable Telemetry in the Account settings before running on private repositories if Interactions should not be used for product improvement
5. Set `--print-timeout` explicitly. The docs give a five-minute default, while `agy --help` shows 0s

### 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, Antigravity 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 Antigravity CLI's 57.4 (C), and leads in 4 of 7 scored categories. Antigravity CLI leads on agent ergonomics and payments & pricing.

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

No open-source release is listed for Antigravity 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/antigravity-cli-vs-warp.json, and with the fewest tokens: https://www.anchorterminal.com/compare/antigravity-cli-vs-warp.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "antigravity-cli", "b": "warp"}`. From a terminal: `anchor compare antigravity-cli warp`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/antigravity-cli.json and https://www.anchorterminal.com/api/v1/tools/warp.json

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