History of GPT-5 in Timeline

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GPT-5

GPT-5, launched August 7, 2025, is OpenAI's fifth generative pre-trained transformer model. A multimodal large language model, it integrates reasoning and non-reasoning capabilities, achieving state-of-the-art performance upon release. GPT-5 is available to users through ChatGPT and Microsoft Copilot, and to developers via the OpenAI API.