Head to head / Harness
Aider vs Amp
Aider: Open-source AI pair programming in the terminal, with git-aware edits and multi-model support. Amp: Coding agent for terminal, web, macOS, and iOS that can run threads in hosted orbs.
| Fact | Harness | Harness |
|---|---|---|
| Kind | Harness | Harness |
| Status | Active | Active |
| Source | Open source | Closed source |
| License | Apache-2.0 | proprietary |
| Pricing | Free · Free | Freemium · Hobby Free · Individual $20/mo · Enterprise Contact sales |
| Model access | Your subscription, Your API key, Local models | Your subscription, Your API key, Vendor credits |
| Platforms | macOS, Linux, Windows | macOS, Linux, Windows, Web, iOS |
| Interfaces | CLI, Web | CLI, Desktop, Web, Mobile |
| Install | curl -LsSf https://aider.chat/install.sh | sh | curl -fsSL https://ampcode.com/install.sh | bash |
| GitHub | ★ 49.6k · 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