OpenAI said on Monday that it would soon wind down the availability of GPT-4.5, its largest-ever AI model, via its API. GPT-4.5 was released only in late February. Developers will have access to ...

GPT-4 is the newest language model created by OpenAI that can generate text that is similar to human speech. It advances the technology used by ChatGPT, which was previously based on GPT-3.5 but ...

GPT-4.5 API pricing appears shockingly high, costing developers $75 and $180 for 1 million tokens in and out, respectively.

OpenAI has unveiled GPT 4.1, the latest advancement in its AI model series, designed to empower developers and optimize workflows. This release introduces three distinct versions—GPT 4.1, GPT 4. ...

Despite the strong reaction, OpenAI had in fact already announced the plan to deprecate GPT-4.5 Preview back in April 2025.

GPT-4.1 (and -mini and -nano) are now available in the API! These models are great at coding, instruction following, and long context (1 million tokens). benchmarks are strong, but we focused on ...

OpenAI has introduced GPT-4.1, a successor to the GPT-4o multimodal artificial intelligence model launched by the company last year.

OpenAI announced on Thursday it is launching GPT-4.5, the much-anticipated AI model code-named Orion. GPT-4.5 is OpenAI’s largest model to date, trained using more computing power and data than ...

On Wednesday, OpenAI announced that ChatGPT users now have access to GPT-4.1, an AI language model previously available only through the company's API since its launch one month ago. The update ...

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 says it'll soon wind down GPT-4.5, its largest-ever AI model, in its API only months after releasing it.