Google Gemini 3.1 Pro first impressions: a 'Deep Think Mini' with adjustable reasoning on demand

Google's Gemini 3.1 Pro update introduces a three-tier thinking level system, allowing for adjustable reasoning on demand. This feature enables the model to scale its reasoning effort dynamically. Gemini 3.1 Pro achieves significant benchmark improvements, outperforming competitors in areas like reasoning and agentic capability.