Nano Banana 2.1
Google's fast image generation and editing model, now with 4K output and up to 14 reference images.
Quick verdict
- Best for
- Product and marketing images with consistent characters
- Pricing
- API per image-output token (reported about half of Nano Banana 2); included in Gemini app and AI Studio use
- Not ideal if
- Quality claims are Google's; no independent benchmarks at launch
What is Nano Banana 2.1?
Nano Banana 2.1 is Google's generally available image generation and editing model, released October 6, 2026 as the update to Nano Banana 2 (Gemini 3.1 Flash Image). It improves visual quality, prompt adherence, multi-turn character consistency, and text rendering, fixes tiling artefacts on panoramic 2K and 4K output, fuses up to 14 reference images with consistency for up to four characters and ten objects, and supports web and image-search grounding. It shipped the same day in AI Mode, Flow, Google AI Studio, and Stitch, with the model ID gemini-nano-banana-2.1.
Key features
- 1K, 2K, and 4K output
- Up to 14 reference images; 4 consistent characters, 10 objects
- Better text rendering and multi-turn consistency
- Search grounding for factual images
- Available in AI Mode, Flow, AI Studio, and Stitch
Pros
- Reference-image fusion at this scale is rare
- Available immediately across Google surfaces
- Cheaper than its predecessor per Google-reported pricing
Cons
- Quality claims are Google's; no independent benchmarks at launch
- Sits beside, not above, Nano Banana Pro for top quality
- Google account and ecosystem required
Best for
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