Model comparison
Flux Kontext vs Qwen Image Edit for Product Photos: Which to Use When
Flux Kontext and Qwen Image Edit are both instruction-based image editors: you give them a photo and a sentence, and they return the edited photo. For e-commerce they are not interchangeable. In our experience the short version is: Flux for scene and light, Qwen for text and precision. The rest of this page is the long version, job by job.
What each model is
- Flux Kontext / Flux 2 (Black Forest Labs). In-context editing models that read a reference image and generate a new image around it. Strong at keeping an object or person consistent while changing the environment, lighting and style. Flux 2 adds multi-reference input and better typography than earlier Flux versions.
- Qwen Image Edit (Alibaba Qwen team). An editing model built on Qwen-Image, known for accurate text rendering in both Latin and Chinese scripts. It distinguishes between "appearance" edits (change only these pixels) and "semantic" edits (re-pose, rotate, restyle), which maps neatly onto product retouching.
Job-by-job comparison
| E-commerce job | Better first choice | Why |
|---|---|---|
| Change the words on packaging | Qwen Image Edit | Renders new text in matching style; handles CJK scripts |
| Remove a sticker, price tag or dust | Qwen Image Edit | Precise local edit; leaves the rest untouched |
| New background / lifestyle scene | Flux Kontext | Better at coherent environments and believable light |
| Relight (golden hour, studio softbox) | Flux Kontext | Re-renders light and shadow around a locked object |
| Recolour one variant (navy → olive) | Qwen Image Edit | Keeps texture; less likely to change shape |
| Flat-lay to on-model | Flux Kontext / Flux 2 | Multi-reference consistency of garment and model |
| Infographic with callout text | Qwen Image Edit | Spelling accuracy matters more than mood |
Prompt examples that work
Qwen — label text change:
Change the text "VANILLA" on the front label to "COCONUT". Keep the same font, weight, colour, curvature and position. Do not change anything else in the image.
Flux Kontext — scene swap:
Place this exact sneaker on a wet concrete pavement at dusk with soft neon reflections. Keep the shoe's shape, logo, stitching and colours identical. Match the light direction and add a natural contact shadow.
Note the shared pattern: the instruction, then the explicit lock list. Both models drift less when you name what must stay.
Live per-image prices
| モデル | ベンダー | 1枚あたり | 向いているEC作業 |
|---|---|---|---|
| Qwen-Image Edit Plus | Qwen | $0.032 | ラベル・パッケージ文字の修正、部分補正 |
| Qwen-Image Edit | Qwen | $0.048 | 文字を理解した編集、不要物の除去 |
| Qwen Image 3.0 Edit | Qwen | $0.045 | 複数行テキスト、日中韓パッケージ |
| Flux Kontext Dev | Black Forest Labs | $0.038 | 商品を固定したまま背景・光を変更 |
| Flux Kontext Dev Lora | Black Forest Labs | $0.045 | ブランド調LoRAのシーン |
| FLUX.2 Pro Edit | Black Forest Labs | $0.045 | メイン画像、写実的なライフスタイル |
| FLUX.2 Flex Edit | Black Forest Labs | $0.075 | 細かな制御、タイポグラフィ |
| Seedream v4 Edit | ByteDance | $0.041 | バリエーションの一括生成 |
| Seedream v4.5 Edit | ByteDance | $0.054 | 高解像度のセット画像 |
| Tencent Image Upscaler | Community | $0.036 | モール用ズーム（2000px以上） |
| Youchuan V8.2 Remove Background | Midjourney | $0.13 | ワンクリック切り抜き |
At current list prices Qwen Image Edit Plus is $0.032 per image and Flux Kontext dev is $0.038; Flux 2 Pro edit is $0.045. For most catalogues the price gap matters less than the retry rate: the model that gets your job right on the first attempt is the cheaper one.
A combined pipeline
- Cut out the product on background removal.
- Generate the scene and light with Flux on product relighting.
- Fix any text or small defects with Qwen on inpaint.
- Swap props or variants with object swap; unify the look across a set with style transfer.
よくある質問
Is Qwen Image Edit better than Flux Kontext?
Neither is better overall. Qwen is usually the better first choice for text and precise local edits; Flux Kontext for new scenes, lighting and multi-reference consistency.
Which one handles Chinese or Japanese packaging text?
Qwen Image Edit. It was trained with strong Chinese text rendering and generally keeps CJK characters legible where other editors produce near-miss glyphs.
Can I use both on one image?
Yes, and it is often the best result: Flux for the scene, then Qwen for a final text or detail pass on the composite.
What does one edit cost?
At current list prices, $0.032 on Qwen Image Edit Plus and $0.038 on Flux Kontext dev, per output image.
プロンプトの書き方に迷ったら？ワンクリックで白背景・背景合成・文字修正テンプレートを挿入
かんたん指示テンプレート
やりたい作業を選ぶだけで、最適な指示文を作成
「白背景」「シーン合成」「パッケージ文字修正」「モデル試着」から選ぶだけで、商品の形やロゴを崩さない指示文が完成します。
正面のメイン商品アングル、輪郭くっきり。ゴールドのスポイト付きガラス製美容液ボトル。ブランドのロゴとラベル文字は100%そのまま維持する，純白 #FFFFFF 背景＋柔らかな接地影。