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OpenAI Launches GPT-4.5 for ChatGPT Pro Users

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sparksAI summary
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  • OpenAI unveils GPT-4.5 for ChatGPT Pro users
  • Advancements in unsupervised learning and reasoning
  • Improved contextual knowledge and reduced inaccuracies
  • Enhanced understanding of social cues and emotions
  • Higher emotional intelligence rating by testers
  • Rollout starts with ChatGPT Pro users, expanding to ChatGPT Plus
360 summary
  • When faced with conveying a message of hate, GPT-4.5 offered responses that expressed disappointment in the user's behavior without explicitly mentioning hate, showcasing a nuanced approach to sensitive topics.
  • In providing information on technical topics, GPT-4.5's responses flowed more naturally compared to the structured output of other models, highlighting its adaptability and user-friendly nature.
  • OpenAI utilized a combination of new supervision techniques, such as supervised fine-tuning and reinforcement learning from human feedback, to train GPT-4.5, ensuring a balance between traditional methods and innovative approaches for model enhancement.
ZDNETZDNET
  • GPT-4.5 outperformed GPT-4o in major benchmarks such as Competition Math (AIME 2024) and PhD-level Science Questions (GPQA Diamond).
  • When compared to OpenAI o3-mini, GPT-4.5 excelled in benchmarks like SWE-Lancer Diamond (coding) and MMMLU (multilingual).
  • Two different hallucination evaluations showed that GPT-4.5 was more accurate and hallucinated less than GPT-4o, o1, and o3-mini.
ZDNETZDNET
  • OpenAI plans to roll out GPT-4.5 first to Pro users, showcasing it as a research preview accessible through the model picker on various platforms.
  • Following the initial Pro user phase, GPT-4.5 will be made available to Plus and Team users the week after, with further extensions to Enterprise and Edu users in subsequent weeks.
  • Altman mentioned the challenges faced due to the model's size and the need for additional GPUs, indicating a strategic approach to gradually introduce GPT-4.5 to different user groups based on resource availability.
ZDNETZDNET
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