Nano Banana 2.1 is Google's newest Flash image model, with cleaner layouts, steadier subjects and more lifelike photos than Nano Banana 2. Try it on a single prompt, then roll the same look out across variations, CSV rows or product shots in PixBulk.
Nano Banana 2.1 が初期選択されています。ここでプロンプトと任意の参照画像から1枚を生成できます。Variations、CSV、Products が必要な場合は一括生成画面を開いてください。
Overview
Nano Banana 2.1 is the October 2026 refresh of Nano Banana 2 (Gemini 3.1 Flash Image). It keeps the speed and price of Google's Flash tier while closing much of the quality gap to heavier image models.
Google highlights four areas of improvement in Nano Banana 2.1: design-grade layouts, mask-based editing, consistency of people and objects across references, and a more natural photographic finish. The developer notes add sharper text, more accurate infographic structure, steadier characters through multi-turn edits and a fix for tiling seams in extreme panoramic ratios at 2K and 4K.
Those gains matter most when one brief has to become many images. A model that holds a grid, a type style or a product's shape more reliably means fewer rejects per batch. PixBulk offers Nano Banana 2.1 with prompt input, up to five reference images, seven aspect ratios and 1K, 2K or 4K output, in both the single generator and the batch workspace.
Every example below is an official Nano Banana 2.1 image published by Google DeepMind, chosen because it makes one upgrade easy to see.
Grids, margins and typographic hierarchy hold together instead of drifting into a generic template. Nano Banana 2.1 keeps bold display type, small captions and empty space where a designer would put them — useful when a batch of posters or social tiles has to share one visual system.
Supply several outfits, faces or products and Nano Banana 2.1 keeps each one recognizable when they appear together. Google documents up to four characters and ten objects per request in the API; PixBulk accepts up to five references per run.
Headings, labels and numbered sections land in a logical reading order with fewer spelling slips, so explainers and how-to graphics made with Nano Banana 2.1 need lighter proofreading.
Skin texture, fabric weave and directional light come out closer to a real camera. Portraits and lifestyle shots from Nano Banana 2.1 need less retouching before they go into a campaign.
Nano Banana 2.1 edits as well as it generates. Here a flat catalog photo of a shoulder bag becomes a styled studio scene while the strap, clasp, stitching and leather tone stay faithful — the same approach scales across a catalog with PixBulk's Products batch.
Use the uploaded bag as the hero product. Set it on a tiered cream plinth among soft arches and spheres in a peach monochrome studio. Do not change the bag's silhouette, strap, gold hardware, stitching or leather color. Soft diffused light, vertical composition for a product page.
Pair the model with PixBulk's batch tools when one creative direction has to become many consistent images.
Fix the headline, dates and palette in one prompt, then produce the set in 9:16, 1:1 and 16:9 with Variations. Put exact copy in quotation marks so every version carries the same words.
Upload a CSV with one topic per row to turn out a series of illustrated guides that share one layout and style. Check facts and labels before publishing.
Design greeting cards, invitations or packaging fronts with hand-lettered type, then render them as photographed objects for store listings and previews.
Write the prompt like a creative brief. Put the fixed elements first so they stay the same across a batch, and the parts you want to change last.
Asset type and channel + canvas and grid + subject + what each reference controls + exact copy in quotes + type, palette and lighting + what must not change.
Square 1:1 event tile for Instagram. Two-column Swiss grid, headline "NIGHT MARKET" set large in a heavy grotesque at top left; date "OCT 24" small and right-aligned. Flat teal and coral duotone with a halftone photo of lanterns filling the lower half. Paper grain texture. No extra words, no logos.
Nano Banana 2.1 responds well to concrete layout words — columns, alignment, margins, type scale. "Two-column grid, flush-left headline" gives steadier results than "modern look".
In CSV batches, keep the style and layout wording identical on every row and change only the subject or copy. That keeps the whole series visually consistent.
Say which upload sets the face, outfit, product or setting, and list what must survive the edit. Drop references that add no information.
Quote every headline and label, keep each text block brief, and proofread a few results at full resolution before scaling up a batch.
同じ 3 ステップで単体制作と一括制作に対応できます。
Nano Banana 2.1 は最初から選択済みです。プロンプトを入力し、必要に応じて対応する参照画像を追加できます。大きな作業には一括生成画面を利用してください。
被写体、状況、制約を記述し、Nano Banana 2.1 が対応する比率と解像度を選びます。対応時のみ参照画像を追加します。
Nano Banana 2.1 の結果を比較し、必要な指示だけを調整します。完了した作業は履歴に保存されます。
Resolution is the main lever for detail and cost — Nano Banana 2.1 has no separate quality menu.
| Setting | Available on PixBulk |
|---|---|
| Resolution | 1K, 2K, 4K |
| Aspect ratio | 1:1, 2:3, 3:2, 3:4, 4:3, 9:16, 16:9 |
| Reference images | Optional, up to 5 per run |
| Credits per image | 5 at 1K · 7 at 2K · 8 at 4K |
| Batch modes | Variations, CSV rows and Products |
Nano Banana 2.1 is the newest model in Google's Flash tier. Use this table to decide when another model is the better fit for a brief.
| Model | Best for | Trade-off |
|---|---|---|
| Nano Banana 2.1 | Design-led posters, explainers, product restaging and natural photos at Flash-tier cost | No quality tiers, transparent backgrounds or multiple outputs per request |
| Nano Banana 2 | Matching earlier projects or checking how much a brief gains from 2.1 | Looser layouts and a more synthetic photo finish than Nano Banana 2.1 |
| Nano Banana Pro | The most complex scenes, deep world knowledge and fidelity-critical finals | Higher cost at 10–13 credits per image |
| GPT Image 2.5 Flare | Transparent assets, explicit quality tiers and up to four images per prompt | Credit cost varies widely with size and quality settings |
Nano Banana 2.1 is a clear upgrade, but every generated image is still a draft until someone has reviewed it.
PixBulk currently offers prompt and reference-image generation for Nano Banana 2.1; Google Search grounding, thinking levels and mask selection are not exposed as controls.
PixBulk supports seven aspect ratios and up to five references per run — fewer than the full Gemini API limits.
Proofread headlines, labels, dates and figures in every image, especially across large batches.
Inspect faces, hands, logos and small text at full resolution before sending 4K output to print.
利用方法、クレジット、入力、出力、一括生成、確認について説明します。
機能情報は公式ベンダー資料と PixBulk 連携で使う API 文書に基づきます。
