Best Alternatives to Gigacode – Use OpenCode's UI with Claude Code/Codex/Amp
20 alternatives ranked by real usage data. Gigacode – Use OpenCode's UI with Claude Code/Codex/Amp scores 34/100 — 20 tools score higher.
Gigacode is an experimental, just-for-fun project that makes OpenCode's TUI + web + SDK work with Claude Code, Codex, and Amp.It's not a fork of OpenCode. Instead, it implements the OpenCode protocol and just runs `opencode attach` to the server that converts API calls to the underlying ag