New Delhi, Aug. 9 -- OpenAI's big language model update was finally revealed to the public on Thursday and soon started rolling out to all users. After the GPT-5 launch, OpenAI decided to discontinue its older models running ChatGPT like GPT-4o, GPT-4.1, o3, o3 Pro, o4-mini and more.

For most use cases, GPT-5 takes over the reins from GPT-4o, the large language model which replaced GPT-4 as the default model on ChatGPT earlier this year.

In case you are wondering what exactly has changed in ChatGPT with the new model, let's take a detailed look.

OpenAI says that GPT-5 marks a big leap in intelligence over all its previous models, with the new model said to boast state-of-the-art performance across coding, math, writing, health and visu...