United Kingdom, Dec. 18 -- Google has expanded its Gemini 3 model line-up with Gemini 3 Flash, a new version designed to deliver "frontier" reasoning while keeping latency and costs low.

In a blog post, Google said Gemini 3 Flash combines the "Pro-grade" reasoning it introduced with Gemini 3 Pro, but tuned for faster responses and higher efficiency - a pairing the company is pitching for both everyday use and more advanced "agentic" workflows that require rapid iteration.

Google is also leaning heavily on benchmark results to frame the upgrade.

The company said Gemini 3 Flash scores 90.4 per cent on GPQA Diamond, 33.7 per cent on Humanity's Last Exam (without tools), and 81.2 per cent on MMMU Pro, while using fewer tokens on average th...