Local-first coding agents

Coding Agent Harness Comparison: Truss, Cline, Continue, Roo Code, and OpenHands

Compare coding-agent harnesses by runtime architecture, client surfaces, model freedom, tool boundaries, and workflow fit, including Truss, Cline, Continue, Roo Code, and OpenHands.

coding agent harness comparisonTruss vs Cline vs ContinueRoo Code vs OpenHandsbest agent harness for coding

Compare the harness, not just the chat window

A coding-agent harness coordinates models, workspace context, tools, permissions, and session state. Products can look similar in a screenshot while making very different trade-offs about where that loop runs, which interfaces are first-class, and how configuration is shared.

Cline and Roo Code are editor-centered agent experiences. Continue provides configurable agent clients and model/tool configuration. OpenHands focuses on an autonomous software-development agent platform. Truss is built as a source-available, provider-neutral runtime with Desktop, VS Code, CLI, terminal, Neovim, and mobile surfaces.

Use decision criteria that survive product changes

Do not select a harness from a feature checklist alone. Compare the workflow you will use daily: how a model is configured, what the agent can read or change, how tool activity is shown, whether sessions recover, and how the result reaches a reviewable diff.

  • Interface fit: editor, terminal, standalone workspace, or automation.
  • Provider and local-endpoint flexibility.
  • Read-only planning, approvals, and tool permission boundaries.
  • Context selection, session recovery, Git and test review.
  • Configuration ownership, licensing, and deployment model.

Where Truss is different

Truss keeps the agent runtime independent from its interfaces. Its Chat, Plan, and Agent modes make the mutation boundary explicit, and its provider profiles can represent local servers or supported BYOK cloud accounts.

That makes Truss a strong fit when a developer wants one agent workflow across multiple clients without being locked into one editor or one provider. It is not automatically the best choice for every team; test every harness with a real repository and the policies you need.

Next steps

Put it to work in your own workspace.

Pick the surface that fits your day, then connect a model you control.

FAQ

Questions developers ask before switching.

Which coding agent harness is best?

The best fit depends on your interface, provider, permission, deployment, and review requirements. Run the same safe evaluation tasks in each candidate rather than relying on a generic ranking.

Can I compare Cline, Continue, Roo Code, OpenHands, and Truss fairly?

Yes, if you compare the same task, model class, permissions, workspace context, and validation criteria. Recheck each project’s current documentation before a production decision because capabilities evolve.