意味 MEANING
空のままなら、まだ入っていない役に立つ言葉をAIが選びます。
Estimates from OpenAI's standard prices (input / cached input / output), checked Nov 2026. Your real bill may differ a little. GPT-5.6 Sol is a limited-time price.
Example explanations and similar words are made once per card and saved, so opening them again uses no tokens.