opencode has become a go-to for developers who want a fast, terminal-first AI coding workflow—close to git, scripts, and the command line—without committing to a full AI-native IDE. The alternatives split into distinct camps: Claude Code leans into disciplined, end-to-end execution (plan → edit → run tests) with permissions and tool integrations; Cursor takes the opposite route with an AI-native VS Code-style IDE and strong inline/autocomplete flow; Kilo Code and Cline bring agentic workflows into existing editors with multi-model flexibility and different levels of UX polish; and OpenAI’s Codex 3.0 emphasizes sandboxed autonomy that validates changes by actually running code.
In evaluating options, we focused on where the agent lives (CLI vs IDE vs sandbox), how well it handles multi-file, multi-step work, and the quality of review/approval controls. We also weighed cost and usage visibility, context reliability on larger repos, integration breadth (including MCP/tooling), onboarding friction, and team needs like auditability and collaboration.