OpenAI, ChatGPT and GPT-4.5

OpenAI’s GPT-4.5 AI model comes to more ChatGPT users
OpenAI has begun rolling out its newest and largest AI model, GPT-4.5, to users on the company's ChatGPT Plus tier.
OpenAI Unveils GPT-4.5, Available To ChatGPT Pro Users
ChatGPT is getting even smarter. OpenAI has unveiled its latest model, GPT-4.5. The new model is already available to ChatGPT Pro users and developers.
OpenAI Unveils GPT-4.5: Friendliest Model Yet at 1300% the Price
Sam Altman claims OpenAIs GPT-4.5 "feels like talking to a thoughtful person" but it comes with a hefty price tag
OpenAI unveils GPT-4.5 ‘Orion,’ its largest AI model yet
PT: Hours after GPT-4.5's release, OpenAI removed a line from the AI model's white paper that said "GPT-4.5 is not a frontier AI model."
OpenAI launches GPT-4.5, its most capable model yet
OpenAI has introduced GPT-4.5, its latest AI model, as part of a research preview. The model, available to ChatGPT Pro subscribers and API users, features improved knowledge and factual accuracy but does not surpass leading AI reasoning models in all benchmarks.
OpenAI expands GPT-4.5 rollout. Here's how to access (and what it can do for you)
OpenAI announced via an X post that it began rolling out GPT-4.5 to ChatGPT Plus users. When first announced, OpenAI shared that the full rollout could take one to three hours. However, just an hour later,
OpenAI's GPT-4.5 will roll out to ChatGPT Plus subscribers over several days
" Announced last Thursday, GPT-4.5 is the latest version of OpenAI's large language model (LLM), and will apparently be the last which doesn't use chain-of-thought prompting. Chain-of-thought models strive to simulate human reasoning by breaking down complex tasks into manageable,
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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 ...
OpenAI finally unveils GPT-4.5. Here's what it can do
Earlier this month, OpenAI CEO Sam Altman shared a roadmap for its upcoming models, GPT-4.5 and GPT-5. In the X post, Altman ...
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OpenAI finally reveals GPT 4.5 AI model but it is less capable than competitors in certain tasks
OpenAI has unveiled GPT-4.5, code-named Orion, marking what the company calls its largest model so far. Many in the tech ...
OpenAI releases ‘largest, most knowledgable’ model GPT-4.5 with reduced hallucinations and high API price
GPT-4.5 API pricing appears shockingly high, costing developers $75 and $180 for 1 million tokens in and out, respectively.
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OpenAI Launches GPT-4.5 But Limits It to Priciest Tiers After Running Out of GPUs
The unexpected shortage 'isn't how we want to operate,' says CEO Sam Altman, but OpenAI presses ahead with the launch of a ...
OpenAI launches long-awaited GPT-4.5—but ‘Orion’s’ capabilities already lag competitors
OpenAI announced the debut of its GPT-4.5 model on Thursday, unveiling one of the most highly anticipated products in the ...
“It’s a lemon”—OpenAI’s largest AI model ever arrives to mixed reviews
An AI expert who requested anonymity told Ars Technica, "GPT-4.5 is a lemon!" when comparing its reported performance to its ...