Nano Banana Pro Prompting Strategy for Stable Output
Infographic / Edu Visual
This is a comprehensive set of 10 instructions and strategies for writing effective prompts for Nano Banana Pro (Gemini 3 Pro Image), aimed at stabilizing output and avoiding garbled text. It emphasiz
Prompt
① Always switch the mode to 'Thought' or 'Pro' (I feel 'Thought' is better)
② 'Describe the scene in sentences' rather than listing keywords
③ Specify the subject, background, and atmosphere as a set of three points
④ Don't aim for perfection in one go; apply 'gradual corrections'
⑤ Avoid negative expressions; give instructions in positive sentences
⑥ Add quality keywords (4K, high resolution) in English
⑦ Clearly state the purpose at the beginning (e.g., "{argument name="purpose" default="Diagram for a proposal"}")
⑧ Exclude unnecessary elements using negative prompts
⑨ Do not attempt complex edits all at once; proceed in segments
⑩ Save frequently used prompts as templates
