O penAI’s debut of GPT-5 came with many promises of a smarter, more effective AI platform capable of fulfilling many of the dreams of AI enthusiasts. The company was so confident in GPT-5 that it became the default model for ChatGPT, while the previous flagship GPT-4o model was removed from the AI chatbot.

ChatGPT-5 is getting improved personality after OpenAI received a slate of criticism from users saying that GPT-5 responses feel cold, compared to GPT-4o.

GPT-5 was touted as a major upgrade to ChatGPT, but not everyone thinks that’s the case: “Kill 4o isn’t innovation, it’s erasure.”