Select an AI model - Vocab Monster

Choose an available AI model when a practice setup screen offers model selection. You can also set the default model on Account → Preferences. Every plan can pick a model while AI credits remain.

Account Preferences tab with the Default AI Model dropdown — Default AI model on Account > Preferences

Open an AI practice activity

Use Fill in the Blank, Context Detective, Synonym Sprint, Antonym Challenge, Synonym Match, or Opposite Match. See Which games use AI credits.

Open the AI model selector

On setup or Quick Play, open the model control. Default is the system-selected pool.

Choose an available model

Eligible screens may list OpenAI, Google, Anthropic, xAI, or Kimi models. If the picker is locked, you are out of credits.

Start the activity

The session uses your selection for delivered prompts. Each delivery spends one credit.

Set a lasting default on Account → Preferences. Session setup can still override it for one game.