OpenAI Launches its Most Advanced AI Model GPT-4.5; Sam Altman Says it has Magic

OpenAI Launches its Most Advanced AI Model GPT-4.5; Sam Altman Says it has Magic
By Srishty Kumari | Updated Feb 28, 2025, 1:32 PM IST

OpenAI launches its GPT-4.5, its most advanced AI model. The model boasts a broader knowledge base, improved alignment with user intent, and heightened emotional intelligence, making it particularly adept at writing assistance, programming, and practical problem-solving tasks.

OpenAI unveiled its most advanced AI model, GPT-4, today, which will be first available to developers and ChatGPT Pro users. According to the start-up, GPT-4.5 (codenamed ‘Orion’ internally) has an improved ability to "follow user intent," and is less prone to hallucinations. OpenAI also claimed that GPT-4.5 is trained using more computing power and data than any of the AI start-up’s previous releases.

In a post on X (formerly Twitter), OpenAI CEO Sam Altman said this is the first model that feels like talking to a thoughtful person. “I have had several moments where I've sat back in my chair and been astonished at getting good advice from an AI,” said Altman.

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Altman also clarified that this is a “giant, expensive” model. The OpenAI CEO also explained that this model won’t “crush” benchmarks. “It’s a different kind of intelligence and there’s a magic to it I haven’t felt before,” he said.

What does GPT-4.5 Bring?

OpenAI has launched GPT-4.5, its latest and most advanced AI model today. This new iteration emphasises improved conversational capabilities and a significant reduction in "hallucinations," or the generation of false information.

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Key features of GPT-4.5 include:
  • Enhanced Emotional Intelligence: The model demonstrates a better understanding of human emotions in text-based interactions.
  • Reduced Hallucinations: OpenAI reports a substantial decrease in the rate of false information generation compared to previous models.
  • Improved Pattern Recognition: GPT-4.5 excels at identifying patterns and generating creative insights.
  • Availability: Initially, GPT-4.5 is available to ChatGPT Pro users, with a broader rollout planned for other users.

The release comes amid a flurry of AI advancements from various tech companies, marking an intense period of innovation.