Head to head / Harness
Cline vs Grok Build
Cline: Open-source coding agent for IDE, CLI, desktop, and cloud, with plan and act modes. Grok Build: xAI's terminal coding agent, with plan mode, parallel subagents, and MCP.
| Fact | Harness | Harness |
|---|---|---|
| Kind | Harness | Harness |
| Status | Active | Active |
| Source | Open source | Open source |
| License | Apache-2.0 | Apache-2.0 |
| Pricing | Freemium · Open Source Free · ClinePass $9.99/mo · Enterprise Contact sales | Freemium · Free · Plus $8/mo · Premium $30/mo · Super $100/mo · Ultra $200/mo |
| Model access | Your API key, Vendor credits, Local models | Your subscription, Your API key |
| Platforms | macOS, Linux, Windows, Web | macOS, Linux, Windows |
| Interfaces | IDE extension, CLI, Desktop, Web, API | CLI, TUI |
| Install | https://marketplace.visualstudio.com/items?itemName=saoudrizwan.claude-dev (VS Code) | curl -fsSL https://x.ai/cli/install.sh | bash |
| GitHub | ★ 70.5k · checked 2026-10-18 | ★ 27.4k · 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