OpenAI's GPT-4.5: A Conversational Leap, But at What Cost?

Coin WorldFriday, Feb 28, 2025 5:47 am ET
1min read

OpenAI has unveiled GPT-4.5, its latest language model, marking a significant shift in focus from raw intelligence to conversational quality. The launch comes with a substantial price increase, setting new records in the AI industry.

The model's API costs have skyrocketed to $75 per million input tokens and $150 per million output tokens, representing a staggering 1300-2900% increase from its predecessor, GPT-4o. This dramatic pricing change has sparked conversation and debate within the AI community.

OpenAI CEO Sam Altman acknowledged the model's resource-intensive nature, describing it as "a giant, expensive model." The company's focus with GPT-4.5 appears to be on what they term "vibes," referring to the model's emotional intelligence, warmth, and ability to engage in natural conversation.

GPT-4.5's technical performance presents a mixed picture. While it has improved upon GPT-4o in several benchmarks, it trails behind OpenAI's o3-mini model in others. The development of GPT-4.5 required extensive technical innovation, including the building of new inference systems and the use of low-precision training to maximize GPU usage.

The release of GPT-4.5 comes amid intense competition in the AI landscape. Following launches from Anthropic (Claude 3.7) and xAI (Grok-3), OpenAI's latest offering aims to maintain its position as a leader in the field.

GPT-4.5 is now available to Pro users who pay $200 monthly. Plus users, who pay $20 monthly, will gain access next week. The price point puts GPT-4.5 at ten times the cost of Claude 3.7

, potentially making it out of reach for many developers and startups.

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