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ChatGPT

ChatGPT is a large language model chatbot developed and released by OpenAI , built on the GPT (Generative Pre-trained Transformer) architecture . It launched in November 2022 as a refined version of GPT-3.5, incorporating additional training on program code and reinforcement learning from human feedback to produce more helpful, harmless, and honest outputs . By July 2025, it had grown to over 700 million weekly active users, with its user base expanding from early tech adopters to a broad demographic of white-collar professionals—52% female—and its core use cases concentrated in practical guidance, information queries, and document writing, which together account for nearly 80% of conversations . The product's strategic emphasis has shifted toward general-purpose AI assistance rather than specialized technical tasks like coding, which dropped from 12% to 5% of usage . OpenAI has progressively extended its capabilities through plugin integrations enabling web browsing, external API interactions, and task execution , though Chinese venture capital commentary from 2024 suggests the competitive window for maintaining dominance through scale alone may be narrowing as rival models catch up .

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