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How It Works

Twill lets you choose from multiple coding agents to handle your tasks:
  • Claude Code — Anthropic’s official CLI with Claude Opus, Sonnet, and Haiku models.
  • OpenCode — Open-source agent supporting Claude, GPT, and Gemini models.
  • Codex — OpenAI’s coding CLI. Coming soon.

Per-Task Agent Selection

When creating a task, you can select which agents to use:
  • Choose your agent: Pick from Claude Code, OpenCode, or Codex
  • Run in parallel: Select multiple agents to compare their outputs
  • Run multiple times: Run the same agent n times to increase success rate

Workspace Settings

Configure defaults from Settings → Agent:
SettingWhat It Does
Default AgentAgent selected by default when creating new tasks
Plan ApprovalControl whether plans need manual approval before implementation

Plan Approval

Control when plans skip manual review:
StrategyBehavior
Always requireYou must approve every plan before implementation
Auto-approvePlans marked as ready are automatically approved