<ul><li>OpenAI CEO Sam Altman has confirmed that the lightweight version, o3-mini, of the company's latest reasoning model, o3, will be made available to free tier users of ChatGPT.</li><li>The o3 model, known for its breakthrough in reasoning capabilities, performs internal fact and reasoning checks before generating responses.</li><li>The o3-mini model is a smaller and more lightweight version of the full o3 model, offering faster response times and reduced compute requirements.</li><li>Paid tier users will still have access to GPT-4o Turbo and will also experience 'tons of o3-mini usage' as part of their membership.</li></ul>

Sam Altman confirms ChatGPT’s latest model is free for all users

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