Amazon and OpenAI on Tuesday announced an expanded deal that will make the AI startup's models available from Amazon's cloud.Why it matters: The move comes a day after OpenAI and Microsoft announced a revised partnership that had required developers to use Microsoft Azure to access most OpenAI services.Driving the news: OpenAI and Amazon said customers will soon be able to access OpenAI models and its Codex tool via AWS.OpenAI models, including GPT-5.4, are immediately available in preview from ...