Gemini 3 Pro Image Reaches General Availability
Google announced the general availability of Gemini 3 Pro Image on May 28, 2026. This update confirms GA status for native visual models and deprecates…
General Availability Status
The source event date is May 28, 2026. On this date, Google announced that gemini-3-pro-image, identified as Nano Banana Pro, reached general availability. This marks the transition from preview status to a stable release for this specific model identifier. The same announcement confirmed the general availability of gemini-3.1-flash-image, known as Nano Banana 2. These releases represent the current stable versions of Google’s native visual models according to the official changelog.
Model Specifications and Limitations
The documented specifications for gemini-3-pro-image indicate input modalities supporting text and image data, with output modality limited to image generation. The context window is listed as 131,072 tokens, and the maximum output tokens are set at 32,768. The source records that open weights are not confirmed for this model. No pricing information is provided in the verified facts. The source does not describe internal architecture, deployment requirements, or local installation capabilities. It remains unknown whether the model supports specific integration behaviors beyond standard API interaction implied by its listing in the official models documentation.
- Input Modalities: Text, Image
- Output Modality: Image
- Context Window: 131,072 tokens
- Max Output Tokens: 32,768
- Open Weights: Not confirmed
Deprecation and Evaluation Procedure
The announcement states that gemini-3-pro-image-preview and gemini-3.1-flash-image-preview are deprecated. These preview models will be shut down on June 25, 2026. To evaluate the new general availability models, engineers should propose tests using the stable identifiers gemini-3-pro-image and gemini-3.1-flash-image. A practical evaluation procedure involves sending standardized text and image inputs to measure response consistency. Developers should compare outputs against previous baseline results if available, but must note that the source does not provide comparative performance metrics. Validation should focus on confirming that the stable endpoints function as expected before the preview shutdown date. The source establishes the availability status and technical limits but does not confirm operational benefits or speed improvements over prior iterations.
Primary sources
Frequently asked questions
When were the preview models scheduled to shut down?
According to the official changelog, the gemini-3-pro-image-preview and gemini-3.1-flash-image-preview models are scheduled to be shut down on June 25, 2026.
Does the source confirm local installation capabilities?
No. The source records that open weights are not confirmed. It does not establish that local installation is impossible, nor does it confirm that API access is mandatory. The documentation only lists the model in the official API models page.