OpenAI, GPT-4.5 and ChatGPT

OpenAI expands GPT-4.5 rollout. Here's how to access (and what it can do for you)
On Wednesday morning, 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, the full rollout of GPT-4.5 was completed, which was faster than expected, according to the X post.
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's GPT-4.5 will roll out to ChatGPT Plus subscribers over several days
OpenAI CEO Sam Altman has announced that GPT-4.5 will "likely" begin rolling out to ChatGPT Plus subscribers "over a few days" rather than all at once. You'll just have to continue being patient.
OpenAI announces GPT-4.5, warns it’s not a frontier AI model
OpenAI is launching GPT-4.5 today, its newest and largest AI language model. GPT-4.5 will be available as a research preview for ChatGPT Pro users to start. OpenAI is calling the release its “most knowledgeable model yet,” but initially warned that GPT-4.5 is not a frontier model and might not perform as well as o1 or o3-mini.
OpenAI just released GPT-4.5 and says it is its biggest and best chat model yet
OpenAI has just released GPT-4.5, a new version of its flagship large language model. The company claims it is its biggest and best model for all-round chat yet. “It’s really a step forward for us,” says Mia Glaese, a research scientist at OpenAI.
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 for ChatGPT—It’s Huge and Compute-Intensive
Internally called Orion, GPT-4.5 is OpenAI’s largest model to date, and it’s first available through the company’s $200 monthly ChatGPT subscription.
OpenAI Makes its GPT 4.5 Model Available for ChatGPT Plus Members
OpenAI is rolling out its latest GPT-4.5 model to ChatGPT Plus members today after ChatGPT Pro members and developers got early access to it last week.
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 launches GPT-4.5 AI model with deeper knowledge and emotions
OpenAI says GPT-4.5 is smarter and offers a broader bank of knowledge, higher accuracy, lower hallucination, and access to the latest information on the web.
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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 ...
Contextual AI’s new AI model crushes GPT-4o in accuracy — here’s why it matters
Contextual AI launches its Grounded Language Model (GLM) that achieves 88% factual accuracy, outperforming major competitors while minimizing hallucinations for enterprise applications.
Weekly Tech Recap: OpenAI launches GPT 4.5, Claude gets Sonnet 3.7 update and more
Meta plans to launch a standalone app for its AI, Anthropic has launched Claude 3.7 Sonnet, a new language model. Google’s ...
OpenAI’s GPT-4.5 is better at convincing other AIs to give it money
OpenAI’s next major AI model, GPT-4.5, is highly persuasive, according to the results of OpenAI’s internal benchmark ...
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 ...
GPT-4.5 for enterprise: Do its accuracy and knowledge justify the cost?
The price of GPT-4.5 is very steep. But it doesn't mean that it's a failure (or that it will always be so expensive).
Happy GPT-4.5 day to those who celebrate.
We knew OpenAI’s GPT-4.5 launch was imminent, and now it has cheekily revealed a live stream is due at 3PM ET today.