OpenAI o4-mini API — scheduled shutdown 2026-10-23 — Event History

First tracking of pre-existing deprecated OpenAI o4-mini model. Official current model page lists USD 1.10 input / 0.275 cached / 4.40 output per 1M tokens and 200K context. Official deprecation table states API shutdown of o4-mini-2025-04-16 and alias o4-mini on 2026-10-23, replacement gpt-5.6-terra. NEW is a database observation, not a model launch or native price change.