Gemini 3.1 Pro Release: Deep Reasoning

On February 19-20, 2026, Google DeepMind introduced Gemini 3.1 Pro, a minor but important update to the third-generation model lineup. Access is already open via Google AI Studio and Vertex AI.

The key focus is on enhancing multi-step reasoning (Deep Think mode) and expanding multimodal capabilities. This is a technology release aimed at developers, which increases the model's accuracy in solving complex logical and mathematical problems, strengthening Google's position in the enterprise sector.

Source: Google Blog / DeepMind