Custom extractor model pretrained-foundation-model-v3.5-2026-05-26 powered by Gemini 3.5

## Feature Feature [Custom extractor](https://cloud.google.com/document-ai/docs/ce-with-genai) model`pretrained-foundation-model-v3.5-2026-05-26` powered by Gemini 3.5 Flash LLM is available in [Preview](https://cloud.google.com/products/#product-launch-stages). This processor version has ML processing capabilities in the US and EU. For more information about available models, see the [custom extractor](https://cloud.google.com/document-ai/docs/custom-based-extraction) page.