They absolutely can reason and plan; how do you suppose they predict the next token?
That they’re not autonomously solving complex tasks is a bit of a straw man though, and with a bit of creativity we can easily imagine them being combined with models and modalities that do provide executive function and autonomy.
That they’re not autonomously solving complex tasks is a bit of a straw man though, and with a bit of creativity we can easily imagine them being combined with models and modalities that do provide executive function and autonomy.