Head to head / Harness
Aider vs Cline
Aider: Open-source AI pair programming in the terminal, with git-aware edits and multi-model support. Cline: Open-source coding agent for IDE, CLI, desktop, and cloud, with plan and act modes.
| Fact | Harness | Harness |
|---|---|---|
| Kind | Harness | Harness |
| Status | Active | Active |
| Source | Open source | Open source |
| License | Apache-2.0 | Apache-2.0 |
| Pricing | Free · Free | Freemium · Open Source Free · ClinePass $9.99/mo · Enterprise Contact sales |
| Model access | Your subscription, Your API key, Local models | Your API key, Vendor credits, Local models |
| Platforms | macOS, Linux, Windows | macOS, Linux, Windows, Web |
| Interfaces | CLI, Web | IDE extension, CLI, Desktop, Web, API |
| Install | curl -LsSf https://aider.chat/install.sh | sh | https://marketplace.visualstudio.com/items?itemName=saoudrizwan.claude-dev (VS Code) |
| GitHub | ★ 49.6k · checked 2026-10-18 | ★ 70.5k · checked 2026-10-18 |
| 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