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Models

  • ChatGPT Codex models use the chatgpt-codex/<model-id> form, for example chatgpt-codex/gpt-5.6-sol, chatgpt-codex/gpt-5.6-terra, or chatgpt-codex/gpt-5.6-luna.
    • The integration is ChatGPT-backed.
    • Selecting a GPT-5.6 model from /model opens the reasoning-effort picker;
      • /reasoning opens it again later.

The picker shows reasoning controls only when the selected model supports them. reasoning_effort and reasoning_summary can also be set through configuration or THNDRS_ environment variables.

  • OpenCode Zen models use the opencode/<model-id> form, such as opencode/big-pickle.
  • OpenCode Go models use the documented opencode-go/<model-id> form, for example opencode-go/kimi-k2.7-code.
  • ACP agents use acp:<name>, where <name> is a configured [acp_agents.<name>] entry. For example, thndrs --model acp:codex launches the configured stdio ACP agent instead of a built-in provider.

Big Pickle is listed by OpenCode as free for a limited time. During that free period, OpenCode documents that collected data may be used to improve the model; do not use it for confidential material unless that is acceptable.

Use --model <id>, THNDRS_MODEL, or model = "<id>" in TOML config to override the setup selection.

See ACP for ACP configuration, permission prompts, diagnostics, and supported capabilities.