Head to head / Harness
Reasonix vs Warp
Reasonix: Open-source coding agent for the terminal, desktop app, browser and VS Code. 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 API key | Your subscription, Your API key |
| Platforms | macOS, Linux, Windows | macOS, Linux, Windows |
| Interfaces | CLI, TUI, Desktop, Web, IDE extension | Desktop, CLI |
| Install | npm install -g reasonix | brew install --cask warp |
| GitHub | ★ 35.8k · 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
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