Browsing Tag
Model Retirements
2 posts
AI model deprecations, migrations, and platform lifecycle deadlines.
ChatGPT’s Model Retirements Are Now a User Deadline Calendar
OpenAI has removed GPT-5.2 from ChatGPT and set retirement dates for GPT-4.5 and o3. Here is what changes for ChatGPT users, what stays available through the API, and what paid users and workspace admins should check before the next deadlines.
Azure OpenAI Model Retirements Are Now an Engineering Calendar
Microsoft Foundry’s model retirement schedule gives Azure OpenAI teams concrete deadlines for gpt-5-chat, gpt-4o, and gpt-4.1 migrations. The risk is not just model access. It is regression testing, deployment type, region support, and API behavior.