O4-mini
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O4-mini is a simplified version of OpenAI's models available for free and Plus plan users, offering limited capabilities compared to the O3 model.
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I tried ChatGPT deep research—here’s what happened and how to make it work for you
Techpoint Africa - Aug 19, 2025
ChatGPT's Deep Research feature launched in early 2025, aimed at reducing research time. The tool breaks down complex questions into multiple research components for structured answers.
ChatGPTO3 ModelDeep ResearchO4-miniOpenAI
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