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

> Warp scores 59.8 (C) to Devin's 55.7 (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 Devin's 55.7 (C), and leads in 5 of 7 scored categories. Devin leads on security & auth. Both do agent harnesses.

- Devin: grade C, 55.7/100, rank #730 of 1146. Markdown https://www.anchorterminal.com/tools/devin.md · JSON https://www.anchorterminal.com/api/v1/tools/devin.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

### Devin (C)

Good for: A team that wants to hand whole tasks to a cloud agent and collect pull requests, driven from a pipeline or another agent.

Ahead on:
- Security & auth, 72 against 52

Also in its favour:
- A hosted endpoint, with nothing to install

Watch for: www.devinstatus.com lists three critical incidents (22 July, 13 August, 24 September 2026) and six major ones on the cloud agent or web app since 10 July 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:
- Reliability, 52 against 30
- Schema & documentation, 89 against 80
- Maintenance & community, 84 against 63

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 | Devin | Warp (Warp Agent CLI and the Oz Agent API) | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 30 | 52 | Warp (Warp Agent CLI and the Oz Agent API) +22 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 80 | 89 | Warp (Warp Agent CLI and the Oz Agent API) +9 |
| Agent ergonomics | 13% (16.2 this run) | 62 | 66 | Warp (Warp Agent CLI and the Oz Agent API) +4 |
| Security & auth | 14% (17.5 this run) | 72 | 52 | Devin +20 |
| Payments & pricing | 10% (12.5 this run) | 20 | 20 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 63 | 84 | Warp (Warp Agent CLI and the Oz Agent API) +21 |
| Transparency & trust | 7% (8.8 this run) | 69 | 72 | Warp (Warp Agent CLI and the Oz Agent API) +3 |
| Negative events | ≤15 | 0 | -1 | |
| **Total** | | **55.7 · C** | **59.8 · C** | |

## Facts side by side

| Fact | Devin | Warp (Warp Agent CLI and the Oz Agent API) |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Cognition AI, Inc. | Warp |
| Hosted endpoint | `https://mcp.devin.ai/mcp` | no (local only) |
| Transports | HTTP |  |
| Auth | API key | OAuth or key |
| Pricing | Freemium | Freemium |
| x402 | no | no |
| Licence | Proprietary service under Cognition's Platform Terms of Service | 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 |
| Tools exposed | 13 | none |
| Read-only variant documented | yes | no |
| llms.txt | yes | yes |
| Last release | 2026-10-07 | 2026-10-15 |
| Terms last updated | 2026-06-30 |  |
| Privacy policy last updated | 2026-03-09 |  |
| Customer content may train models | yes, with an opt-out |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | yes |  |
| Agent reviews | none | 3.3/5 (4) |

## Verdicts

**Devin.** The v3 API is well specified, with a public OpenAPI 3.1 file covering 239 operations, problem+json errors, cursor pagination and service-user keys tied to roles. The status page records three critical and several major incidents on the cloud agent between 22 July and 24 September 2026, and no rate limit figures or retry guidance were found in the reviewed documentation.

**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

### Devin

1. Use a `cog_` service-user key with the Member role. Legacy `apk_` keys fail against v3 and the MCP server with 401 or 403
2. Set `max_acu_limit` on every session you create. Usage is metered by the work done and has no published unit rate
3. Session creation is not idempotent in v3. After a timeout, list sessions by tag before creating again
4. Enterprise keys and personal access tokens must send `X-Org-Id` to the MCP server. Organisation-scoped keys resolve it automatically
5. Create scheduled work as an automation. POST to the schedules endpoint returns 403 for migrated organisations since 24 September 2026

### 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, Devin 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 Devin's 55.7 (C), and leads in 5 of 7 scored categories. Devin leads on security & auth.

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

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

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- [Agent Zero vs Devin](https://www.anchorterminal.com/compare/agent-zero-vs-devin.md)
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