Gemini 2.5 Pro continues to be loved by developers as the best model for coding, and 2.5 Flash is getting even better with a new update. We’re bringing new capabilities to our models, including Deep Think, an experimental enhanced reasoning mode for 2.5 Pro.

Source: https://deepmind.google/discover/blog/gemini-25-our-world-leading-model-is-getting-even-better/