This could enable ChatGPT to keep track of larger documents and conversations, and to handle more complex projects. This is used to not only help the model determine the best output, but it also helps improve the training process, enabling it to answer questions more effectively. In June 2023, hundreds of people attended a “ChatGPT-powered church service” at St. Paul’s Church in Fürth, Germany. Geoffrey Hinton, one of the “fathers of AI”, voiced concerns that future AI systems may surpass human intelligence. ChatGPT also provided an outline of how human reviewers are trained to reduce inappropriate content and to attempt to provide political information without affiliating with any political position. ChatGPT’s training data only covers a period up to the cut-off date, so it lacks knowledge of recent events.
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By January 2023, ChatGPT had become the fastest-growing consumer software application in history, gaining over 100 million users in two months. As of 2025, ChatGPT’s website is among the 5 most-visited websites globally, and has over 800 million active weekly users.
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ChatGPT is due for more upgrades in the near future, with the advanced voice mode potentially receiving a live camera feature to create even more seamless interactions. AI agents represent stage three of AGI, enhancing ChatGPT’s reasoning abilities and enabling it to complete a broader range of tasks without human assistance. The feature is also still exclusive to ChatGPT users who have a Plus, Team, Enterprise or Education plan. OpenAI announces the ChatGPT Pro plan, a new premium plan for ChatGPT users to access even more features. For example, ChatGPT will offer hints, organize content into sections and create custom lessons and quizzes instead of providing a direct answer to students. For example, the new model doubles its context window from 128,000 tokens in GPT-4o to 256,000 tokens in GPT-5.
The Pro launch coincided with the release of the o1 model, providing unlimited access to o1 and advanced voice mode. In March Crowngreen casino 2025, OpenAI updated ChatGPT to generate images using GPT-4o instead of DALL-E. Users interact with ChatGPT through conversations which consist of text, audio, and image inputs and outputs.
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ChatGPT is an artificial intelligence chatbot capable of having conversations with people and generating unique, human-like text responses. Many individuals use ChatGPT and comparable large language models (LLM) for mental health and emotional support. OpenAI acknowledged that there have been “instances where our 4o model fell short in recognizing signs of delusion or emotional dependency”, and reported that it is working to improve safety. ChatGPT is based on GPT foundation models that have been fine-tuned for conversational assistance. The fine-tuning process involved supervised learning and reinforcement learning from human feedback (RLHF).
GPT-4, which was released on March 14, 2023, was made available via API and for premium ChatGPT users. Premium users were originally limited in the number of messages they could send to the new model, but OpenAI increased and eventually removed these limits. The laborers were exposed to toxic and traumatic content; one worker described the assignment as “torture”. OpenAI’s outsourcing partner was Sama, a training-data company based in San Francisco, California.
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They can explicitly tell ChatGPT to remember aspects of the conversation, and ChatGPT can use these details in future conversations. OpenAI announces the release of its o1 model, which demonstrates complex reasoning capabilities. OpenAI announced the addition of product recommendations on ChatGPT when users implied shopping intent in their queries. While users cannot checkout inside ChatGPT, they are redirected to the merchant’s website when they click on the link. Teachers are concerned that students will use it to cheat, prompting some schools to completely block access to it.