engineering·3 min de leitura
Best AI Coding Agent Harness in 2026: Claude Code vs Codex vs OpenCode
Codex CLI is our default coding agent harness for most teams in October 2026. Claude Code ties it on Terminal-Bench 4.0, OpenCode wins on model choice. Here is how they compare on sandboxing, extensibility and cost.
Pedro Pinho·04/Out/2026
best ai coding agentai coding agent harnessclaude code vs codexopencodeterminal-bench