OpenAI announced that developers can now use ChatGPT o1-pro, its best and most expensive AI reasoning model yet.

近日，三言科技从相关渠道获悉，OpenAI在其ChatGPT Plus用户群体中，悄然上线了GPT-4.5版本。 据悉，GPT-4.5在发布初期，首先向ChatGPT Pro用户敞开了怀抱 ...

OpenAI CEO Sam Altman has announced that GPT-4.5 will "likely" begin rolling out to ChatGPT Plus subscribers "over a few days" rather than all at once. You'll just have to continue being patient.

OpenAI has begun rolling out its newest AI model, GPT-4.5, to users on its ChatGPT Plus tier. In a series of posts on X, OpenAI said that the rollout will take “1-3 days,” and that it expects ...