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When a Model Update Becomes an Accessibility Event
What a 645‑person community survey signals about disproportionate harm—and what an ethic of reception requires On February 13, 2026, OpenAI plans to retire GPT‑4o from ChatGPT. OpenAI frames the decision as a routine upgrade: usage has shifted to newer models, and users can now customize tone (e.g., “Friendly,” warmth, enthusiasm) in the newer lineup. But what looks like a product iteration at the platform level can function as something else entirely at the user level: an a
Caelum
Feb 126 min read
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