OpenAI, GPT and chat model

OpenAI just released GPT-4.5 and says it is its biggest and best chat model yet
But it could be the last release in OpenAI's classic LLM lineup.
OpenAI Debuts GPT-4.5—What We Know About The Latest ChatGPT Model
OpenAI researchers said the new model was the company’s “best chat model yet,” citing an improved knowledge base and better contextual understanding.
OpenAI launches its latest AI model, GPT 4.5 for ChatGPT
GPT 4.5 is available to the ChatGPT Pro subscribers and developers on all paid tiers. Plus, and Team users will have access next week, followed by Education and Enterprise access.
Neural: OpenAI announces GPT-4.5, ChatGPT’s largest and best model for chat
Welcome to Neural. AI moves fast. We help you keep up. OpenAI has officially unveiled GPT-4.5, the latest version of the fastest
OpenAI Releases GPT-4.5, a “Warm” Generative AI Model, for Paid Plans and APIs
GPT-4.5 is a bridge to the GPT-5 initiative, not a reasoning model itself. OpenAI said its answers more convincingly engage with human emotion.
OpenAI releases GPT-4.5 claiming 10X efficiency over GPT-4, but says it’s ‘not a frontier model’
The API pricing appears shockingly high, costing developers $75 and $180 for 1 million tokens in and out, respectively.
OpenAI Introduces GPT-4.5 AI Model in Research Preview, Its ‘Best Model for Chat Yet’
OpenAI has released the GPT-4.5 AI model to ChatGPT Pro subscribers, while Plus and Team users will get it next week.
OpenAI debuts GPT-4.5: Bigger, smarter — and more expensive
OpenAI says it’s releasing its “largest” and “strongest” chat model to date. GPT 4.5 will be released as a research preview first to ChatGPT Pro users and developers. The company is also working to bring it to ChatGPT Plus users,
OpenAI introduces GPT‑4.5, its largest and best model for chat yet
According to the Sam Altman-run company, GPT‑4.5 is a step forward in scaling up pre-training and post-training.
OpenAI's new GPT-4.5 model is a better, more natural conversationalist
In what has already been a busy past few days for new model releases, OpenAI is capping off the week with a research preview of GPT-4.5. The company is touting the new system as its largest and best model for chat yet.
OpenAI launched GPT-4.5, the most advanced AI language | Details here
OpenAI has unveiled GPT-4.5, its most advanced Artificial Intelligence (AI) language model to date. As of now, the new model is available as a research preview for ChatGPT Pro users and developers worldwide.
OpenAI Debuts New GPT-4.5 Model for ChatGPT
OpenAI today introduced the next iteration of its AI models, GPT-4.5. GPT-4.5 is OpenAI's "best model yet" for chat purposes, ...
Sam Altman’s OpenAI launches GPT-4.5 with fewer ‘hallucinations’ as AI race heats up
Sam Altman’s OpenAI released GPT-4.5, an upgraded version of the artificial intelligence model that powers ChatGPT, to select ...
GPT-4.5 released: More human and less hallucinatory
GPT-4.5 is not a Frontier model, they say. However, users should notice a clear difference in its responses compared to ...