Head to head / Harness
Pi vs Warp
Pi: Minimal, extensible terminal agent from Earendil Works, designed to be customized. Warp: Terminal with a built-in coding agent, a CLI, and cloud agents.
| Fact | Harness | Harness |
|---|---|---|
| Kind | Harness | Harness |
| Status | Active | Active |
| Source | Open source | Closed source |
| License | MIT | proprietary |
| Pricing | Free · Free | Freemium · Free · Build $20/mo · Business $50/mo · Max $200/mo · Enterprise Contact sales |
| Model access | Your subscription, Your API key, Local models | Your subscription, Your API key |
| Platforms | macOS, Linux, Windows, Android | macOS, Linux, Windows |
| Interfaces | CLI, TUI, API | Desktop, CLI |
| Install | npm install -g --ignore-scripts @earendil-works/pi-coding-agent | brew install --cask warp |
| GitHub | ★ 116k · checked 2026-10-18 | No public repository |
| Last verified | 2026-10-18 | 2026-10-18 |
| Worktrees | ? | ? |
| Parallel agents | ? | ✓ |
| Subagents | ✗ | ✓ |
| MCP | ✓ | ✓ |
| Remote access | ? | ? |
| Cloud sandbox | ? | ✓ |
| Diff review | ? | ✓ |
| Plan mode | ✗ | ✓ |
✓ yes ✗ no ? not verified yet
How we check facts More head to heads