Google Says Its New Gemini 3 Flash AI Model Is Better and Faster Than 2.5 Pro

Imad is a senior reporter covering Google and internet culture. Hailing from Texas, Imad started his journalism career in 2013 and has amassed bylines with The New York Times, The Washington Post, ESPN, Tom's Guide and Wired, among others.

Google's new Gemini 3 Flash AI model is built for faster output at a lower cost, and functions as well as previous powerful reasoning models, Google said in a press release on Wednesday. 

According to benchmark tests, Gemini 3 Flash achieves PhD-level reasoning in the GPQA Diamond test, with a score of 90.4%, and achieved a score of 33.7% (without tools) in Humanity's Last Exam. These are very difficult tests designed to push AI models and require expert-level knowledge. By comparison, Gemini 3 Pro achieved scores of 91.9% and 37.5%, respectively. Google said Gemini 3 Flash outperforms Gemini 2.5 Pro ...