OpenAI to Retire OpenAI o3 and GPT-4.5 Models from ChatGPT

KuCoinFlash

Release Time: 05/29/2026 08:16:53

Summary

OpenAI announced in its latest ChatGPT release notes that it will retire the OpenAI o3 and GPT-4.5 models from the ChatGPT web and mobile interfaces. The update aligns with on-chain news trends, demonstrating how companies optimize resource allocation. GPT-4.5 will enter a 30-day transition period and be retired on June 27, 2026, while OpenAI o3 will enter a 90-day transition period and be retired on August 26, 2026. Paid ChatGPT users can still manually select these models prior to their retirement dates, and the API service remains unaffected. This update is part of the latest crypto news cycle, highlighting shifts in AI development strategies.

ME AI message, according to monitoring by Beating, OpenAI has announced in its latest ChatGPT release notes that, to further optimize resource allocation, it will retire the OpenAI o3 and GPT-4.5 models from the ChatGPT web and mobile interfaces. This move aims to phase out underutilized older models, allowing more computational resources and engineering efforts to be focused on the latest and more powerful GPT-5.5 flagship series (including GPT-5.5 Instant, GPT-5.5 Thinking, and GPT-5.5 Pro). The specific retirement schedule is as follows: • GPT-4.5: Entering a 30-day transition period, with official deprecation set for June 27, 2026; • OpenAI o3: Entering a 90-day transition period, with official deprecation set for August 26, 2026. Until their respective deprecation dates, paid ChatGPT users can still manually select these models in the model settings. Additionally, OpenAI’s API services remain unaffected by this change; developers can continue to access the OpenAI o3 and GPT-4.5 models via the API. (Source: BlockBeats)

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