OpenCode Zen

OpenCode Zen is a curated list of models recommended by the OpenCode team for coding agents. It is an optional, hosted model access path that uses an API key and the opencode provider. Zen is currently in beta.

CLI setup

bot onboard --auth-choice opencode-zen
# or non-interactive
bot onboard --opencode-zen-api-key "$OPENCODE_API_KEY"

Config snippet

{
  env: { OPENCODE_API_KEY: "sk-..." },
  agents: { defaults: { model: { primary: "opencode/claude-opus-4-5" } } }
}

Notes

• OPENCODE_ZEN_API_KEY is also supported.
• You sign in to Zen, add billing details, and copy your API key.
• OpenCode Zen bills per request; check the OpenCode dashboard for details.