PHNano Banana 2 (Gemini 3.1 Flash Image) is Google’s new image generation model that combines most of Nano Banana Pro’s intelligence and quality with much faster “Flash”-style speed, and it’s becoming the default image model across many Google products.
What Nano Banana 2 is
- It’s the successor to the original Nano Banana and Nano Banana Pro, positioned as a state-of-the-art image model with both strong reasoning and rapid generation.
- It aims to give you Pro‑level world knowledge and visual quality, but with low latency suitable for quick iteration and editing workflows.
Key capabilities
- Advanced world knowledge: Grounded in Gemini’s knowledge base and real‑time web search, so it can render specific subjects more accurately and help create infographics, diagrams, and data visualizations.
- Better text handling: Supports precise, legible text inside images (e.g., marketing mockups, greeting cards) and can translate/localize in‑image text for different languages.
- Subject and object consistency: Preserves resemblance for up to five characters and fidelity for up to 14 objects in a single workflow, useful for storyboards or multi‑panel narratives.
- Stronger instruction following: Designed to stick closely to complex, detailed prompts so outputs match specifications more reliably.
- Production-ready specs: Supports multiple aspect ratios and resolutions from 512px up to 4K for everything from social posts to large backdrops.
- Visual upgrade: Emphasizes vibrant lighting, richer textures, and sharper details while still operating at “Flash” speed.
Where you can use it
- Gemini app: Replaces Nano Banana Pro as the default across Fast, Thinking, and Pro image models; Pro/Ultra subscribers can still access Pro by regenerating via the three‑dot menu.
- Search: Integrated into AI Mode and Lens in the Google app and browsers, including support for 141 additional countries/territories and eight more languages.
- AI Studio & Gemini API: Available in preview via AI Studio, Gemini API, and Google Antigravity, with pricing documented separately.
- Google Cloud / Vertex AI: Available in preview through the Gemini API in Vertex AI.
- Flow: New default image model, available to all Flow users at zero credits.
- Ads: Used in Google Ads to power creative suggestions when setting up campaigns.
Simple comparison
Provenance and safety
- Google pairs SynthID watermarking with C2PA Content Credentials so users can see not just whether AI was used but how in the creation process.
- Since November, the SynthID verification feature in the Gemini app has been used over 20 million times to verify Google AI‑generated images, video, and audio, and C2PA verification is planned for Gemini as well.
Final take
Nano Banana 2 is Google’s clearest move yet to erase the traditional trade‑off between speed and intelligence in image models. By baking Pro‑level reasoning, better text handling, and stronger consistency into a Flash‑class model, then pushing it across Gemini, Search, Ads, and developer tools, Google is effectively standardizing on a single high‑velocity, production‑ready image engine. For creators and builders, that means faster iteration with fewer compromises—and a hint of where mainstream generative imaging is headed next.
Sample
Prompt:
Tropical beach portrait of a young woman in an elegant baige two-piece swimsuit with gold hardware accents at the center of both the bandeau top and high-waisted bottoms. She's leaning against a weathered palm tree trunk on a sandy beach. Her long, flowing dark brown hair cascades over her shoulder with natural movement. Her makeup is soft and natural with coral-pink lips and a fresh, glowing complexion. She's posing confidently with one hand resting on the palm tree,
Tropical beach portrait of a young woman in an elegant baige two-piece swimsuit with gold hardware accents at the center of both the bandeau top and high-waisted bottoms. She's leaning against a weathered palm tree trunk on a sandy beach. Her long, flowing dark brown hair cascades over her shoulder with natural movement. Her makeup is soft and natural with coral-pink lips and a fresh, glowing complexion. She's posing confidently with one hand resting on the palm tree,
Try it out here:
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