innFactory AI Consulting from Rosenheim, Germany advises enterprises across the DACH region (Germany, Austria, Switzerland) on GDPR-compliant integration of image generation AI. Gemini 3 Pro Image (codename “Nano Banana Pro”) has been generally available (GA) since 28 May 2026 with a production SLA - currently, however, only via the Global endpoint on Vertex AI.
What is Gemini 3 Pro Image?
Gemini 3 Pro Image is Google’s enterprise model for high-quality image generation within the Gemini family. After its preview phase starting in November 2025, the model reached GA status on 28 May 2026, alongside Gemini 3.1 Flash Image (Nano Banana 2). It employs an innovative “World Simulator” approach for physical understanding and spatial relationships, distinguishing it from purely pattern-based image generators.
The model is available via Vertex AI / the Gemini Enterprise Agent Platform. Important for DACH customers: According to Google’s documentation and developer forums, the GA variant is currently only offered via the Global endpoint - guaranteed EU data residency (europe-west3, EU multi-region) is not enabled for this model as of June 2026. The preview model gemini-3-pro-image-preview will additionally be shut down on 25 June 2026, so migration to gemini-3-pro-image (GA) is required.
Technical Capabilities
High-Quality Image Generation
- Resolutions: Officially up to 4K (1K, 2K, 4K) since GA on 28 May 2026
- Conversational Editing: Iterative workflows with up to 14 reference images per prompt
- Consistency: Guarantees for up to 5 characters and 14 objects per image
- Context Window: 65,536 tokens input / 32,768 tokens output
Advanced Control
- Multimodal Input: Combine text with up to 14 reference images
- Style Matching: Precise layout control and style consistency
- Formats: PNG, JPEG, WEBP, HEIC, HEIF, PDF
- File Sizes: Up to 7 MB inline, up to 30 MB via Cloud Storage
- Aspect Ratios: 1:1, 3:2, 4:3, 16:9, 21:9 and more
World Simulator Reasoning
- Physical Understanding: Realistic object relationships and lighting
- Contextual Intelligence: Multi-step planning before image generation
- Agentic Capabilities: Integration into autonomous workflows via Vertex AI SDK
Availability and EU Compliance
Since 28 May 2026, Gemini 3 Pro Image has been generally available (GA) as gemini-3-pro-image - with a production SLA via Vertex AI / the Gemini Enterprise Agent Platform. However: According to Google’s documentation and developer forums, the model is currently only offered via the Global endpoint. EU multi-region or europe-west3 (Frankfurt) are not enabled for gemini-3-pro-image as of June 2026.
- Enterprise-grade SLA under Google Cloud agreements
- Access via: Vertex AI SDK, Cloud Console and REST API
- Global endpoint: higher availability, but no guaranteed EU data residency
- Preview sunset:
gemini-3-pro-image-previewwill be shut down on 25 June 2026
For DACH enterprises with strict data residency requirements, we recommend actively monitoring the roadmap for EU multi-region availability or working with gemini-3.1-flash-image (Nano Banana 2), which already has broader regional coverage.
Comparison with Other Models
| Feature | Gemini 3.1 Flash Image (Nano Banana 2) | Gemini 3 Pro Image (Nano Banana Pro) | Imagen 4 |
|---|---|---|---|
| Availability | Global + broader regions | Currently Global endpoint only | Multiple regions |
| EU Data Residency | Limited possibility | Not currently enabled | Possible |
| Quality | High (up to 4K) | Very high (up to 4K) | Very high |
| Control | Standard | Advanced (14 reference images, 5 characters) | Standard |
| Stability | GA (since 28 May 2026) | GA (since 28 May 2026) | GA |
| Cost | Low | Medium | Medium-High |
Use Cases
Gemini 3 Pro Image is particularly well suited for the following enterprise applications:
- Brand Marketing and Campaigns - Consistent brand imagery in high quality
- Product Photography - Professional product visualisations without a photo studio
- Advertising Photography - Large-scale campaign images up to 4K resolution
- Editorial Content - Magazine and blog illustrations
- Digital Experiences - Visual assets for web and app
Integration with CompanyGPT
If you use CompanyGPT and wish to integrate image generation, Gemini 3 Pro Image is an excellent option for workflows without strict EU data residency requirements. Integration is handled via the Vertex AI API and can be seamlessly embedded into existing CompanyGPT workflows. For use cases requiring guaranteed EU data residency, we will work with you to evaluate alternative models or wait for Google’s EU multi-region rollout. Contact us for individual consultation.
Our Recommendation
With GA status since 28 May 2026 and a production SLA, we recommend Gemini 3 Pro Image for enterprises that need high-quality image generation with reasoning capabilities and maximum image quality (4K) - provided strict EU data residency is not required.
Recommended for:
- Professional marketing campaigns and brand assets
- Product photography and advertising materials
- Editorial content and digital experiences
- Enterprises with existing Google Cloud infrastructure
Consider alternatives for:
- Strict EU data residency requirements (Gemini 3 Pro Image is currently only available via the Global endpoint)
- Very high image volumes on a limited budget (Gemini 3.1 Flash Image / Nano Banana 2 is more cost-effective)
- Requirements for self-hosting or on-premise operation (FLUX.2 or Stable Diffusion 3)
- Multi-cloud strategies without Google Cloud (Adobe Firefly or FLUX.2)
For individual consultation on the optimal image generation solution for your enterprise, please get in touch.