How to Use Nano Banana on LMArena: A Detailed Step-by-Step Guide
nano banana ai is the codename of Google Gemini 2.5 Flash Image, which can be done on LMArena through image chat or Image Edit Arena. Users only need to upload the original image and enter the prompt, and can use nano banana AI to complete consistent editing and multi-image fusion, and combine ChatGPT and Claude to quickly build a complete AI image workflow.
1. Entrance and preparation
1. Find the entrance
nano banana ai has two ways to use in LMArena: one is the image chat mode, which interacts with the model alone; The second is the Image Edit Arena battle mode, where users compare the results of the two sets and vote. The former is suitable for practice, the latter is suitable for lateral evaluation.
2. Account and Materials
Beforeusing nano banana ai, you need to log in to your LMArena account and prepare the original image, reference image and prompt draft. Reference images can help lock in character features and color styles, improving AI editing stability.
3. Model positioning
nano banana ai corresponds to Gemini 2.5 Flash Image, which is characterized by supporting multi-step editing, character consistency and batch fusion, especially suitable for e-commerce, portrait retouching and multi-scene image generation.
2. Image chat: single model editing
1. Select a model
Interact directly with nano banana AI in the image chat, upload the image and enter the prompt to start editing. The prompt can be generated by ChatGPT as a draft, and Claude is responsible for supplementing the negative constraints.
2. Three-step prompt vocabulary
(1) Portrait retouching: maintain facial features, unify skin tone, and avoid excessive dermabrasion.
(2) Product cleaning: remove stains, enhance highlights, and replace the background with a solid color.
(3) Style replacement: Refer to the image to lock the subject and replace the scene with an office, café or night scene.
Combined with the consistency parameters of Nano Banana AI, the series of images can be stably output.
3. Image Edit Arena: Battle and Evaluation
1. Operation Process
Enter the same material in Image Edit Arena, and the system will return two sets of results. Users vote by comparing skin tones for naturalness, edge cleanliness, and light consistency.
2. Leaderboard value
LMArena's leaderboard is based on user voting, showing how nano banana AI compares with other models, helping users quickly judge the model's pros and cons in terms of realism and stability.
4. Efficiency improvement skills and pitfall avoidance
1. AB test
only change one variable at a time, such as editing intensity or style weight; Keep snapshots against the original image to facilitate batch task reuse.
2. Frequently Asked Questions
(1) Character instability: Add reference images to reduce style intensity.
(2) Excessive dermabrasion: Add tips such as "real" and "natural".
(3) Background color bleeding: Unified color temperature and light ratio, and edit step by step if necessary.
(4) Compliance: Watermarks and authorization records must be kept for brand or portrait materials.
5. Practical template
1. E-commerce main image template
Themain body has a natural proportion, a pure white background, real shadows, and moderate sharpness. ChatGPT generates batch prompts, Claude does compliance checks, and nano banana AI generates images in batches.
2. Portrait refinement template
removes small flaws, unifies light ratio and skin tone, and maintains natural texture; Suitable for social media and promotional graphics.
Frequently Asked Questions (Q&A)
Q: What is the relationship between nano banana ai and Gemini 2.5 Flash Image?
A: nano banana ai is another name for Gemini 2.5 Flash Image, which is used in LMArena and related application scenarios.
Q: Can I choose nano banana ai in LMArena?
A: You can choose the image chat mode directly, and the Image Edit Arena battle mode is anonymous matchmaking.
Q: What are the advantages of nano banana ai over PS?
A: nano banana ai completes automated editing through natural language, suitable for batch and consistency, and PS is suitable for refined pixel-level retouching.
Q: How can I ensure that the portraits output by nano banana AI are realistic?
A: Provide clear reference diagrams, reduce the intensity of style, increase constraints such as "natural" and "real", and combine with Claude for quality inspection.
