If you don't have access to GPT-4 yourself, see the examples from this paper: https://arxiv.org/pdf/2303.12712.pdf https://arxiv.org/pdf/2303.12712.pdf It is

If you don't have access to GPT-4 yourself, see the examples from this paper: https://arxiv.org/pdf/2303.12712.pdf https://arxiv.org/pdf/2303.12712.pdf It is capable of doing tasks that could not possibly be in its training set. I guess this doesn't technically contradict your explanation, but it makes your explanation entirely unhelpful. Even if the AI doomers are somehow right and GPT-5 turns into skynet, we still could not categorically prove that it is doing reasoning.