GPT-5 can indeed produce impressive results in benchmarks compared to competing AI models, but a lot of users have claimed that it's hardly an improvement over its predecessor, GPT-4o. Users have been flagging issues like bugs, glitches, and unresponsiveness since the rollout of GPT-5.

After a GPT-5 rollout that was "a little more bumpy" than expected, OpenAI CEO Sam Altman said the company is bringing back GPT-4o — with a catch. During a Reddit AMA (and also on X), Altman said GPT-4o will soon be available again for paid ChatGPT users.