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OpenAI Launches GPT-4.5 Exclusively for Pro Users Amid GPU Shortages

The new model emphasizes emotional intelligence and conversational fluency but faces criticism for high costs and limited availability.

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Sam Altman at OpenAI Dev Day.
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Overview

  • GPT-4.5 is currently available only to ChatGPT Pro subscribers due to a shortage of GPUs, with broader access planned after infrastructure upgrades.
  • The model is designed to deliver more natural and intuitive conversations, with improvements in emotional intelligence and user intent understanding.
  • Critics have called GPT-4.5 underwhelming, citing its high cost, slower performance, and continued issues with hallucinations, despite improvements from prior versions.
  • OpenAI is addressing its GPU constraints by installing tens of thousands of GPUs next week and has plans for custom AI chip development by 2026.
  • The release comes as OpenAI faces increasing competition from rivals like Elon Musk's xAI and Meta, as well as ongoing tensions between Musk and OpenAI CEO Sam Altman.