Head to head / Harness
Command Code vs Grok Build
Command Code: Terminal, desktop, and IDE coding agent for open and frontier models that adapts to your code style. Grok Build: xAI's terminal coding agent, with plan mode, parallel subagents, and MCP.
| Fact | Harness | Harness |
|---|---|---|
| Kind | Harness | Harness |
| Status | Active | Active |
| Source | Closed source | Open source |
| License | proprietary | Apache-2.0 |
| Pricing | Paid · Go $1/mo · GOAT $10/mo · Provider $15/mo · Pro $20/mo · Teams $40/mo · Max 10× $100/mo · Max 20× $200/mo · Enterprise Contact sales | Freemium · Free · Plus $8/mo · Premium $30/mo · Super $100/mo · Ultra $200/mo |
| Model access | Your subscription, Your API key, Vendor credits, Local models | Your subscription, Your API key |
| Platforms | macOS, Linux, Windows | macOS, Linux, Windows |
| Interfaces | CLI, TUI, Desktop, IDE extension | CLI, TUI |
| Install | npm i -g command-code@latest | curl -fsSL https://x.ai/cli/install.sh | bash |
| GitHub | ★ 4.1k · checked 2026-10-19 | ★ 27.4k · checked 2026-10-18 |
| Last verified | 2026-10-19 | 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