Google and OpenAI escalated their rivalry at the forefront of artificial intelligence on the same day, with Google unveiling its most advanced AI research agent yet just as OpenAI released GPT 5.2, codenamed Garlic.  Google’s announcement centered on a major upgrade to Gemini Deep Research, which it described as a reimagined agent capable of long form reasoning, complex analysis, and enterprise grade investigation rather than simply generating research reports. The closely t