OpenAI launched a new version of ChatGPT named GPT 4 which is a update to GPT 3 or 3.5 which was being used up till now. The main feature that has been introduced in GPT 4 is it's capability of allowing output and input of media files like images and videos.
After this new update the ChatGPT is capable of analyzing images and video files and providing you results based on your query. The GPT 4 as of now is only available to use through the subscription model and is yet to be available for free research.
The GPT 4 is itself capable of doing many tasks that were not possible to do with GPT 3 or 3.5. Open AI stated in their introduction video of GPT 4 that 'the development of GPT 4 was completed back in the August and was waiting for some final touches to get completed before it was released to the public.