OpenAI unveils GPT-4.5: Everything you need to know about the new ChatGPT model
OpenAI launches GPT-4.5, its most advanced ChatGPT model yet, with improved efficiency, fewer errors, and human-like conversations. Here’s what you need to know.

Artificial intelligence leader OpenAI has officially launched GPT-4.5, its most powerful and sophisticated chatbot model to date. OpenAI CEO Sam Altman described GPT-4.5 as a “giant” and “expensive” upgrade, emphasizing its ability to engage users with a more natural and human-like conversational experience.
Currently, GPT-4.5 is available exclusively to ChatGPT Pro subscribers, with broader access expected in the near future. So, what makes GPT-4.5 different from previous models? Here’s a breakdown of its key features, capabilities, and availability.
Key features of GPT-4.5: What’s new?
- More Knowledgeable & Intuitive
GPT-4.5 is OpenAI’s most knowledgeable model yet, offering enhanced contextual awareness, better problem-solving skills, and superior writing and coding capabilities. - Improved Emotional Intelligence
The model is designed to better understand emotions and nuances, making conversations more natural and human-like. - Fewer AI “Hallucinations”
One of the biggest improvements in GPT-4.5 is its reduced tendency to generate inaccurate or misleading responses, a common issue in previous AI models. - Higher Computational Efficiency
GPT-4.5 is 10 times more efficient than its predecessor, GPT-4, meaning it processes information faster while using fewer resources.
How does GPT-4.5 compare to other AI models?
GPT-4.5’s launch marks a significant leap in AI technology, placing OpenAI ahead of competitors like xAI and Anthropic.
- OpenAI: Expected to reach a $340 billion valuation after its upcoming funding round.
- xAI (Elon Musk’s AI company): Valued at $50 billion.
- Anthropic (Amazon-backed AI firm): Currently valued at $18 billion, with potential funding to push it to $60 billion.
These figures highlight OpenAI’s dominance in the AI sector, as GPT-4.5 sets a new standard for chatbot intelligence and efficiency