Terminal AI Coding Agent

opencode

An open-source AI coding agent with terminal, IDE, desktop, multi-session, provider-flexible, and local-model workflows.

Pricing
Open source
Platforms
Terminal, IDE, Desktop, macOS, Linux, Windows
Website
https://opencode.ai

Verdict for 2026

opencode is no longer just “an open-source terminal agent.” The official positioning now spans terminal, IDE, desktop, parallel sessions, shareable links, GitHub Copilot login, ChatGPT Plus/Pro login, local models, and more than 75 model providers.

My take: opencode is most interesting when you want ownership of the agent loop. Cursor and Windsurf optimize for a polished editor surface. Claude Code and Codex optimize for managed agent workflows. opencode is the more inspectable route: you choose providers, tune agents, keep command execution visible, and decide how much of the workflow should stay local.

opencode workflow surface across terminal, IDE, desktop, providers, and multi-session agent work
Original Coding Agent Tools diagram based on opencode public docs. It is not an official product screenshot.

What It Actually Is

opencode is an open-source AI coding agent built around a terminal-first workflow, but its surface is broader than the terminal. The official site highlights a terminal UI, editor integration, desktop app, multiple parallel sessions, share links, provider flexibility, and support for local models.

The important part is not the UI list. The important part is that opencode treats the coding agent as a configurable system. You can choose model providers, define agents and subagents, route work through different models, and keep the command loop close to your repository.

Best For

Not Best For

Model and Agent Configuration

The opencode docs emphasize provider and model configuration. That is a real advantage, but it also creates operational responsibility. The question is not just “which model is best?” It is “which task deserves which model, which provider, and which cost profile?”

My practical split:

opencode evaluation stack covering model policy, agent config, command boundaries, session review, cost routing, and rollback path
Our evaluation stack for opencode: inspectability only helps if model policy, command boundaries, review, cost routing, and rollback are explicit.

Recent Features Worth Tracking

opencode’s recent direction is less about becoming a prettier terminal and more about becoming a configurable open agent runtime. The official docs now make several pieces explicit: primary agents, subagents, specialized built-in agents, permission keys, MCP servers, LSP, custom tools, Agent Skills, server mode, SDK usage, plugins, and Agent Client Protocol support.

The biggest practical changes to watch:

Recent release notes outside the core docs also show the product moving quickly around editor support, session path handling, Copilot model sync, model updates, and instruction precedence. I would treat those as signs of velocity, but still evaluate opencode through the stable architecture: provider choice, agent configuration, permissions, reproducibility, and command visibility.

Where It Beats Cursor

opencode is stronger when the team wants a transparent agent loop rather than a polished editor experience. If you care about provider choice, terminal logs, command boundaries, repeatable prompts, and local or self-controlled workflows, opencode deserves serious testing.

It also fits teams that do not want their AI coding strategy tied to one editor vendor. You can still use an editor, but the agent workflow is not owned by the editor.

Where Cursor Still Wins

Cursor remains easier for interactive code reading, inline editing, and onboarding non-terminal-heavy developers. If the daily job is “select code, ask, edit, continue,” Cursor will usually feel faster.

opencode asks more from the operator. That is a feature for disciplined teams and a cost for casual users.

Adoption Checklist

Quality Signal

The strongest opencode signal is a small, explainable diff with a visible command log and repeatable settings. The weakest signal is an impressive demo that no teammate can reproduce.

Source Notes