Google reveals Gemini 2.5 Flash, its 'most cost-efficient thinking model'

Yuichiro Chino/Getty Images Just weeks after unveiling Gemini 2.5 Pro, Google is on to its next top-performing model. On Thursday, the company released an "early version" of Gemini 2.5 Flash in preview in the Gemini API, AI Studio, and Vertex AI. The model has a knowledge cutoff of January 2025. It can take text, images, video, and audio prompts, and has a one-million-token context window. Also: Gemini Pro 2.5 is a stunningly capable coding assistant - and a big threat to ChatGPT Google says the new version expands on Flash 2.0 with improved reasoning, but "without compromising its renowned speed or cost." Reasoning models spend more time "thinking" -- or interpreting a query -- before responding, which results in more thorough and direct output that, ideally, aligns better with a user's needs, compared to earlier models that prioritize speed. Models that reason are also better equipped to accurately deliver on multi-step problems or tasks. "Gemini 2.5 Flash performs strongly on H ... Read full article.