LongCat Image Edit: 6 Before and After Text Replacements

LongCat Image Edit performs precise text edits inside images. This post shows six real before and after examples that change only the target text while keeping the rest intact.

What LongCat Image Edit does

LongCat Image Edit is an instruction-driven image editor that handles both English and Chinese text. The model targets only the specified text while preserving layout, color, and nearby details. Model page: https://wiro.ai/models/meituan-longcat/LongCat-Image-Edit

Test setup

Six base images were prepared and then edited with focused text-change prompts. Each edit changed a single line of text and kept other content unchanged. The tests used conservative guidance and fixed seeds for repeatability.

Before and after examples

Example 1 — Can label

Before: can label reading NOVA SODA LEMON — Prompt: Edit only the label text. Replace “SODA” with “ZERO” so the label reads “NOVA ZERO”. Keep “NOVA” and “LEMON” unchanged. Keep the same font and layout.

After: can label now reads NOVA ZERO — Edit prompt used on LongCat Image Edit. Settings: steps 50, guidance 4.5, seed 2101.

Example 2 — Street sign

Before: street sign reading PARKING ZONE A — Prompt: Edit only the sign text. Change the first line to “NO PARKING”. Keep the second line “ZONE A” unchanged.

After: street sign now reads NO PARKING — Edit prompt used on LongCat Image Edit. Settings: steps 50, guidance 4.5, seed 2102.

Example 3 — Menu price

Before: menu showing PASTA 14 and SOUP 8 — Prompt: Edit only the menu price. Replace “PASTA 14” with “PASTA 12”. Keep “TODAY MENU” and “SOUP 8” unchanged.

After: menu with PASTA 12 — Edit prompt used on LongCat Image Edit. Settings: steps 50, guidance 4.5, seed 2103.

Example 4 — Price tag

Before: price tag reading PRICE $49 NEW DROP — Prompt: Edit only the price number. Replace “$49” with “$29” so the tag reads “PRICE $29”. Keep “PRICE” and “NEW DROP” unchanged.

After: price tag now reads PRICE $29 — Edit prompt used on LongCat Image Edit. Settings: steps 50, guidance 4.5, seed 2104.

Example 5 — Badge text

Before: badge reading GUEST ENTRY PASS — Prompt: Edit only the badge text. Change “GUEST” to “SPEAKER”. Keep “ENTRY PASS” unchanged.

After: badge now reads SPEAKER ENTRY PASS — Edit prompt used on LongCat Image Edit. Settings: steps 50, guidance 4.5, seed 2105.

Example 6 — Poster title

Before: poster reading LAUNCH DAY BUILD FAST — Prompt: Edit only the title text. Replace “LAUNCH” with “BETA” so the title reads “BETA DAY”. Keep “BUILD FAST.” unchanged.

After: poster now reads BETA DAY — Edit prompt used on LongCat Image Edit. Settings: steps 50, guidance 4.5, seed 2106.

Quick verdict

LongCat Image Edit handles targeted text changes with strong layout preservation. The model keeps fonts and nearby details stable in most cases. Small artifacts appear when the original text uses complex styling or tight spacing.

Try LongCat Image Edit