OpenAI and Google have introduced advanced AI models that enable real-time multimodal understanding and responses and promise improved AI assistants and innovations in voice agents. OpenAI's GPT-4o boasts double the speed and half the cost of its predecessor, while Google's Gemini 1.5 Flash delivers a significant reduction in latency and cost. Both tech giants are integrating AI across their ecosystems, with OpenAI eyeing consumer markets, which could potentially reach up to a billion users, with its products and partnerships.