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

GPT-4.5 is also very expensive to run, OpenAI admits — so expensive that the company warned in February that it was evaluating whether to serve GPT-4.5 via its API in the long term. The model ...

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 ...

the pricing for GPT-4.5 through OpenAI’s API for third-party developers looking to build applications on the model appears shockingly high, at $75/$180 per million input/output tokens compared ...

The open-source M1 boasts a record-breaking context window and lean training budget, promising enterprise-grade reasoning ...

The API prices are as follows: Model input Cached Input output Blended Price GPT-4.1 $2.00 (about 290 yen) $0.50 (approx. 72 yen) $8.00 (about 1,100 yen) $1.84 (about 260 yen) GPT-4.1-mini $0.40 ...

ChatGPT’s latest multimodal AI model comes ... upgrades to GPT‑4o make it a “natural successor” to replace it. OpenAI also plans to deprectate the GPT-4.5 preview in the API on July ...

The model is also available through OpenAI’s Chat Completions API, Assistants API, and Batch API. However, OpenAI cautions that GPT-4.5 may not remain in APIs for long due to its high cost and ...

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 ...

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 ...