If GPT-5 had passed the A/B testing OpenAI likes to do, it would have been released already. Instead, it seems they are clearly concerned the audience would not

If GPT-5 had passed the A/B testing OpenAI likes to do, it would have been released already. Instead, it seems they are clearly concerned the audience would not find it superior enough to GPT-4. So, the bluff must go on until the right cards appear.