- Released `gemini-2.5-flash-preview-04-17`, a Gemini [preview](https://ai.google.dev/gemini-api/docs/models#model-versions) model optimized for price-performance and adaptive thinking. To learn more, see [Gemini 2.5 Flash Preview](https://ai.google.dev/gemini-api/docs/models#gemini-2.5-flash-preview) and [Thinking](https://ai.google.dev/gemini-api/docs/thinking).