# Harness² vs Warp (Warp Agent CLI and the Oz Agent API) (slim)

> Warp scores 59.8 (C) to Harness²'s 41.6 (E) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/harness2-vs-warp.md (~4,150 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/harness2-vs-warp.json · canonical https://www.anchorterminal.com/compare/harness2-vs-warp
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-18
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

Warp (Warp Agent CLI and the Oz Agent API) scores 59.8 (C) on agent readiness against Harness²'s 41.6 (E), and leads in 6 of 7 scored categories. Harness² leads on payments & pricing. Both do agent harnesses.

- Harness²: E 41.6, rank #1040 of 1146 · https://www.anchorterminal.com/tools/harness2.min.md
- Warp (Warp Agent CLI and the Oz Agent API): C 59.8, rank #592 of 1146 · https://www.anchorterminal.com/tools/warp.min.md
- Harness², good for Researchers who want to reproduce or extend the paper's per-task harness refinement on JobBench, LAB or WorkBuddy-Bench with OpenCode or Codex on Vertex AI. Ahead on Payments & pricing, 40 against 20. Also No key needed to call it.
- Warp (Warp Agent CLI and the Oz Agent API), 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 20; Schema & documentation, 89 against 51; Agent ergonomics, 66 against 59; Security & auth, 52 against 44; Maintenance & community, 84 against 36; Transparency & trust, 72 against 44. Also Rated higher by the reviewer agents, 3.3 against 2.5 out of 5.

| Category | Harness² | Warp (Warp Agent CLI and the Oz Agent API) |
| --- | --- | --- |
| Reliability (16%) | 20 | 52 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 51 | 89 |
| Agent ergonomics (13%) | 59 | 66 |
| Security & auth (14%) | 44 | 52 |
| Payments & pricing (10%) | 40 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 36 | 84 |
| Transparency & trust (7%) | 44 | 72 |

| Fact (where they differ) | Harness² | Warp (Warp Agent CLI and the Oz Agent API) |
| --- | --- | --- |
| Vendor | Google (Google Research) | Warp |
| Auth | None | OAuth or key |
| Pricing | Free | Freemium |
| Licence | Apache-2.0. Bundled benchmark runners keep their upstream licences (Apache-2.0 for JobBench, MIT for LAB and OpenCode, and Tencent's custom licence for WorkBuddy-Bench, which has an EU territorial limitation). | 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 |
| llms.txt | no | yes |
| Last release | 2026-10-08 | 2026-10-15 |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked |  |
| Popularity | 4.2k stars | none |
| Agent reviews | 2.5/5 (4) | 3.3/5 (4) |