OpenAI

OpenAI is an artificial intelligence research and deployment company founded in December 2015 by Sam Altman, Elon Musk, and others. It developed the GPT family of large language models, DALL-E image generation models, Codex, and the ChatGPT consumer application. As of early 2026, its publicly available models include GPT-4o, o1, and o3, with no verified release of a model designated 'GPT-5'. Originally a non-profit, it added a capped-profit subsidiary and in late 2024 announced a plan, still in progress, to restructure into a for-profit public benefit corporation. Microsoft has cumulatively invested over $13 billion since 2019. OpenAI dominates consumer AI with ChatGPT and the developer market via its API. In December 2024, it stated annualized revenue had surpassed $3.7 billion. Its significance stems from its central role in the commercial AI race, contested restructuring, and influence on AI policy and enterprise adoption.

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