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Ars Technica
Google's new Nano Banana 2 Lite image model is its fastest and cheapest yet
Google DeepMind has introduced the Nano Banana 2 Lite image model, part of its Gemini 3.1 family, which boasts significantly faster image generation while maintaining a competitive quality level. Designed for rapid prototyping, this model brings prices down for developers by offering a more efficient API. Although it excels in speed, some quality aspects, such as text representation and character consistency, may suffer. Examples from Google suggest the model's outputs are nearly on par with its more robust versions, despite some limitations.
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Published 30 Jun 2026, 18:55 UTC2 min read
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Summary
TL;DR
- Nano Banana 2 Lite generates images in about 4 seconds, significantly faster than previous models.
- Available across the Google ecosystem, tailored for rapid idea exploration and prototyping.
- API usage costs about $0.034 per 1K images, half the rate of earlier versions.
- Elo scores show user satisfaction is close to non-Lite models.
- Quality may be compromised in areas like small text and infographics.
Interesting facts
- The model is part of the Gemini 3.1 family, indicating a progression in Google's AI image technology.
- Users have rated Nano Banana 2 Lite outputs almost as highly as those from heavier models.